6402492 has 36 divisors (see below), whose sum is σ = 16709056. Its totient is φ = 2064960.

The previous prime is 6402457. The next prime is 6402493. The reversal of 6402492 is 2942046.

6402492 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402493) 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, 1753 + ... + 3984.

Almost surely, 2^6402492 is an apocalyptic number.

6402492 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6402492 is an abundant number, since it is smaller than the sum of its proper divisors (10306564).

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

6402492 is a wasteful number, since it uses less digits than its factorization.

6402492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778 (or 5773 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6402492 is about 2530.3146049454. The cubic root of 6402492 is about 185.6876477996.

The spelling of 6402492 in words is "six million, four hundred two thousand, four hundred ninety-two".