390733401 has 4 divisors (see below), whose sum is σ = 520977872. Its totient is φ = 260488932.

The previous prime is 390733379. The next prime is 390733411. The reversal of 390733401 is 104337093.

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.

It is not a de Polignac number, because 390733401 - 2⁶ = 390733337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390733411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65122231 + ... + 65122236.

It is an arithmetic number, because the mean of its divisors is an integer number (130244468).

Almost surely, 2^390733401 is an apocalyptic number.

It is an amenable number.

390733401 is a deficient number, since it is larger than the sum of its proper divisors (130244471).

390733401 is a wasteful number, since it uses less digits than its factorization.

390733401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130244470.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 390733401 is about 19766.9775383087. The cubic root of 390733401 is about 731.0720478079.

The spelling of 390733401 in words is "three hundred ninety million, seven hundred thirty-three thousand, four hundred one".