946931820 has 48 divisors (see below), whose sum is σ = 2653832160. Its totient is φ = 252284416.

The previous prime is 946931819. The next prime is 946931831. The reversal of 946931820 is 28139649.

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, 64966 + ... + 78194.

It is an arithmetic number, because the mean of its divisors is an integer number (55288170).

Almost surely, 2^946931820 is an apocalyptic number.

It is an amenable number.

946931820 is an abundant number, since it is smaller than the sum of its proper divisors (1706900340).

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

946931820 is a wasteful number, since it uses less digits than its factorization.

946931820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434 (or 14432 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 946931820 is about 30772.2573107661. The cubic root of 946931820 is about 981.9881269451.

The spelling of 946931820 in words is "nine hundred forty-six million, nine hundred thirty-one thousand, eight hundred twenty".