947928938 has 32 divisors (see below), whose sum is σ = 1597276800. Its totient is φ = 418176000.

The previous prime is 947928899. The next prime is 947928941. The reversal of 947928938 is 839829749.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176858 + ... + 182138.

It is an arithmetic number, because the mean of its divisors is an integer number (49914900).

Almost surely, 2^947928938 is an apocalyptic number.

947928938 is a deficient number, since it is larger than the sum of its proper divisors (649347862).

947928938 is a wasteful number, since it uses less digits than its factorization.

947928938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534.

The product of its digits is 7838208, while the sum is 59.

The square root of 947928938 is about 30788.4546218221. The cubic root of 947928938 is about 982.3326834497.

The spelling of 947928938 in words is "nine hundred forty-seven million, nine hundred twenty-eight thousand, nine hundred thirty-eight".