2102492 has 36 divisors (see below), whose sum is σ = 4539024. Its totient is φ = 846720.

The previous prime is 2102489. The next prime is 2102497. The reversal of 2102492 is 2942012.

It is a super-2 number, since 2×2102492² = 8840945220128, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2 + 1 + 0 + 2⁹ + 4⁶ + 9³ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3017 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (126084).

2^2102492 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 2102492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2269512).

2102492 is an abundant number, since it is smaller than the sum of its proper divisors (2436532).

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

2102492 is a wasteful number, since it uses less digits than its factorization.

2102492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2102492 is about 1449.9972413767. The cubic root of 2102492 is about 128.1085504958.

The spelling of 2102492 in words is "two million, one hundred two thousand, four hundred ninety-two".