2865392 has 40 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 1347840.

The previous prime is 2865383. The next prime is 2865397. The reversal of 2865392 is 2935682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26234 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2^2865392 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 2865392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2946240).

2865392 is an abundant number, since it is smaller than the sum of its proper divisors (3027088).

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

2865392 is a wasteful number, since it uses less digits than its factorization.

2865392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 195 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 2865392 is about 1692.7468800739. The cubic root of 2865392 is about 142.0347729428.

The spelling of 2865392 in words is "two million, eight hundred sixty-five thousand, three hundred ninety-two".