390964463 has 8 divisors (see below), whose sum is σ = 411799920. Its totient is φ = 370154880.

The previous prime is 390964439. The next prime is 390964477. The reversal of 390964463 is 364469093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390964463 - 2²² = 386770159 is a prime.

It is a super-2 number, since 2×390964463² = 305706422657756738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390964403) 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, 29831 + ... + 40887.

It is an arithmetic number, because the mean of its divisors is an integer number (51474990).

Almost surely, 2^390964463 is an apocalyptic number.

390964463 is a deficient number, since it is larger than the sum of its proper divisors (20835457).

390964463 is a wasteful number, since it uses less digits than its factorization.

390964463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 390964463 is about 19772.8213211974. The cubic root of 390964463 is about 731.2161270208.

The spelling of 390964463 in words is "three hundred ninety million, nine hundred sixty-four thousand, four hundred sixty-three".