390964241 has 4 divisors (see below), whose sum is σ = 391005552. Its totient is φ = 390922932.

The previous prime is 390964177. The next prime is 390964253. The reversal of 390964241 is 142469093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 390964241 - 2⁶ = 390964177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390964195 and 390964204.

It is not an unprimeable number, because it can be changed into a prime (390964141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1370 + ... + 27996.

It is an arithmetic number, because the mean of its divisors is an integer number (97751388).

Almost surely, 2^390964241 is an apocalyptic number.

It is an amenable number.

390964241 is a deficient number, since it is larger than the sum of its proper divisors (41311).

390964241 is a wasteful number, since it uses less digits than its factorization.

390964241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41310.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 390964241 is about 19772.8157074302. The cubic root of 390964241 is about 731.2159886195.

The spelling of 390964241 in words is "three hundred ninety million, nine hundred sixty-four thousand, two hundred forty-one".