390023963 has 8 divisors (see below), whose sum is σ = 469201920. Its totient is φ = 316711080.

The previous prime is 390023957. The next prime is 390023969. The reversal of 390023963 is 369320093.

It is an interprime number because it is at equal distance from previous prime (390023957) and next prime (390023969).

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

It is not a de Polignac number, because 390023963 - 2¹⁰ = 390022939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390023969) 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, 1466123 + ... + 1466388.

It is an arithmetic number, because the mean of its divisors is an integer number (58650240).

Almost surely, 2^390023963 is an apocalyptic number.

390023963 is a deficient number, since it is larger than the sum of its proper divisors (79177957).

390023963 is a wasteful number, since it uses less digits than its factorization.

390023963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932537.

The product of its (nonzero) digits is 26244, while the sum is 35.

The square root of 390023963 is about 19749.0243556486. The cubic root of 390023963 is about 730.6293209561.

The spelling of 390023963 in words is "three hundred ninety million, twenty-three thousand, nine hundred sixty-three".