647423364 has 48 divisors (see below), whose sum is σ = 1733680256. Its totient is φ = 184204800.

The previous prime is 647423363. The next prime is 647423401. The reversal of 647423364 is 463324746.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (647423363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4254 + ... + 36234.

Almost surely, 2^647423364 is an apocalyptic number.

It is an amenable number.

647423364 is an abundant number, since it is smaller than the sum of its proper divisors (1086256892).

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

647423364 is a wasteful number, since it uses less digits than its factorization.

647423364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32236 (or 32234 counting only the distinct ones).

The product of its digits is 290304, while the sum is 39.

The square root of 647423364 is about 25444.5154011626. The cubic root of 647423364 is about 865.0929829767.

The spelling of 647423364 in words is "six hundred forty-seven million, four hundred twenty-three thousand, three hundred sixty-four".