390968 has 8 divisors (see below), whose sum is σ = 733080. Its totient is φ = 195480.

The previous prime is 390967. The next prime is 390989. The reversal of 390968 is 869093.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24428 + ... + 24443.

It is an arithmetic number, because the mean of its divisors is an integer number (91635).

2³⁹⁰⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

390968 is a deficient number, since it is larger than the sum of its proper divisors (342112).

390968 is a wasteful number, since it uses less digits than its factorization.

390968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877 (or 48873 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 390968 is about 625.2743397901. The cubic root of 390968 is about 73.1218332084.

The spelling of 390968 in words is "three hundred ninety thousand, nine hundred sixty-eight".