6447492 has 24 divisors (see below), whose sum is σ = 16716000. Its totient is φ = 2149128.

The previous prime is 6447457. The next prime is 6447533. The reversal of 6447492 is 2947446.

6447492 is a `hidden beast` number, since 644 + 7 + 4 + 9 + 2 = 666.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29742 + ... + 29957.

It is an arithmetic number, because the mean of its divisors is an integer number (696500).

Almost surely, 2^6447492 is an apocalyptic number.

It is an amenable number.

6447492 is an abundant number, since it is smaller than the sum of its proper divisors (10268508).

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

6447492 is a wasteful number, since it uses less digits than its factorization.

6447492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59712 (or 59704 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6447492 is about 2539.1912098147. The cubic root of 6447492 is about 186.1216685743.

The spelling of 6447492 in words is "six million, four hundred forty-seven thousand, four hundred ninety-two".