947890338 has 16 divisors (see below), whose sum is σ = 1898984736. Its totient is φ = 315429440.

The previous prime is 947890337. The next prime is 947890351. The reversal of 947890338 is 833098749.

It is not an unprimeable number, because it can be changed into a prime (947890331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129648 + ... + 136763.

It is an arithmetic number, because the mean of its divisors is an integer number (118686546).

Almost surely, 2^947890338 is an apocalyptic number.

947890338 is an abundant number, since it is smaller than the sum of its proper divisors (951094398).

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

947890338 is a wasteful number, since it uses less digits than its factorization.

947890338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267009.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 947890338 is about 30787.8277570861. The cubic root of 947890338 is about 982.3193496245.

The spelling of 947890338 in words is "nine hundred forty-seven million, eight hundred ninety thousand, three hundred thirty-eight".