647906954 has 8 divisors (see below), whose sum is σ = 1023011040. Its totient is φ = 306903276.

The previous prime is 647906933. The next prime is 647906999. The reversal of 647906954 is 459609746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8525054 + ... + 8525129.

It is an arithmetic number, because the mean of its divisors is an integer number (127876380).

Almost surely, 2^647906954 is an apocalyptic number.

647906954 is a deficient number, since it is larger than the sum of its proper divisors (375104086).

647906954 is a wasteful number, since it uses less digits than its factorization.

647906954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17050204.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 647906954 is about 25454.0164610617. The cubic root of 647906954 is about 865.3083218212.

The spelling of 647906954 in words is "six hundred forty-seven million, nine hundred six thousand, nine hundred fifty-four".