390962963 has 4 divisors (see below), whose sum is σ = 391529448. Its totient is φ = 390396480.

The previous prime is 390962939. The next prime is 390962977. The reversal of 390962963 is 369269093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 390962963 - 2⁶ = 390962899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390962903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282206 + ... + 283587.

It is an arithmetic number, because the mean of its divisors is an integer number (97882362).

Almost surely, 2^390962963 is an apocalyptic number.

390962963 is a deficient number, since it is larger than the sum of its proper divisors (566485).

390962963 is an equidigital number, since it uses as much as digits as its factorization.

390962963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566484.

The product of its (nonzero) digits is 472392, while the sum is 47.

The square root of 390962963 is about 19772.7833903070. The cubic root of 390962963 is about 731.2151918756.

The spelling of 390962963 in words is "three hundred ninety million, nine hundred sixty-two thousand, nine hundred sixty-three".