2865492 has 72 divisors (see below), whose sum is σ = 8438976. Its totient is φ = 802944.

The previous prime is 2865491. The next prime is 2865493. The reversal of 2865492 is 2945682.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2865491) and next prime (2865493).

It is a super-2 number, since 2×2865492² = 16422088804128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20848 + ... + 20984.

It is an arithmetic number, because the mean of its divisors is an integer number (117208).

2^2865492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2865492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4219488).

2865492 is an abundant number, since it is smaller than the sum of its proper divisors (5573484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2865492 is a wasteful number, since it uses less digits than its factorization.

2865492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2865492 is about 1692.7764176051. The cubic root of 2865492 is about 142.0364252254.

2865492 divided by its sum of digits (36) gives a palindrome (79597).

It can be divided in two parts, 286 and 5492, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 2865492 in words is "two million, eight hundred sixty-five thousand, four hundred ninety-two".