6438492 has 36 divisors (see below), whose sum is σ = 17133480. Its totient is φ = 2032992.

The previous prime is 6438463. The next prime is 6438539. The reversal of 6438492 is 2948346.

It is a happy number.

6438492 is a `hidden beast` number, since 643 + 8 + 4 + 9 + 2 = 666.

6438492 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 Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4023 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (475930).

Almost surely, 2^6438492 is an apocalyptic number.

It is an amenable number.

6438492 is an abundant number, since it is smaller than the sum of its proper divisors (10694988).

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

6438492 is a wasteful number, since it uses less digits than its factorization.

6438492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9437 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 6438492 is about 2537.4183730713. The cubic root of 6438492 is about 186.0350263554.

The spelling of 6438492 in words is "six million, four hundred thirty-eight thousand, four hundred ninety-two".