390955948 has 12 divisors (see below), whose sum is σ = 695769480. Its totient is φ = 192164672.

The previous prime is 390955937. The next prime is 390955963. The reversal of 390955948 is 849559093.

It is a junction number, because it is equal to n+sod(n) for n = 390955895 and 390955904.

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, 828061 + ... + 828532.

It is an arithmetic number, because the mean of its divisors is an integer number (57980790).

Almost surely, 2^390955948 is an apocalyptic number.

It is an amenable number.

390955948 is a deficient number, since it is larger than the sum of its proper divisors (304813532).

390955948 is a wasteful number, since it uses less digits than its factorization.

390955948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656656 (or 1656654 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 52.

The square root of 390955948 is about 19772.6059992101. The cubic root of 390955948 is about 731.2108184816.

The spelling of 390955948 in words is "three hundred ninety million, nine hundred fifty-five thousand, nine hundred forty-eight".