3942492 has 24 divisors (see below), whose sum is σ = 9517200. Its totient is φ = 1268736.

The previous prime is 3942479. The next prime is 3942493. The reversal of 3942492 is 2942493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942493) 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, 5317 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (396550).

Almost surely, 2^3942492 is an apocalyptic number.

It is an amenable number.

3942492 is an abundant number, since it is smaller than the sum of its proper divisors (5574708).

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

3942492 is a wasteful number, since it uses less digits than its factorization.

3942492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365 (or 11363 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 3942492 is about 1985.5709506336. The cubic root of 3942492 is about 157.9756946002.

Subtracting from 3942492 its reverse (2942493), we obtain a palindrome (999999).

The spelling of 3942492 in words is "three million, nine hundred forty-two thousand, four hundred ninety-two".