390361971 has 8 divisors (see below), whose sum is σ = 523976400. Its totient is φ = 258494432.

The previous prime is 390361969. The next prime is 390361987. The reversal of 390361971 is 179163093.

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 390361971 - 2¹ = 390361969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390361171) 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, 436200 + ... + 437093.

It is an arithmetic number, because the mean of its divisors is an integer number (65497050).

Almost surely, 2^390361971 is an apocalyptic number.

390361971 is a deficient number, since it is larger than the sum of its proper divisors (133614429).

390361971 is a wasteful number, since it uses less digits than its factorization.

390361971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873445.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 390361971 is about 19757.5800896770. The cubic root of 390361971 is about 730.8403227341.

The spelling of 390361971 in words is "three hundred ninety million, three hundred sixty-one thousand, nine hundred seventy-one".