390806151 has 8 divisors (see below), whose sum is σ = 523371264. Its totient is φ = 259389240.

The previous prime is 390806069. The next prime is 390806161. The reversal of 390806151 is 151608093.

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

It is not a de Polignac number, because 390806151 - 2¹⁹ = 390281863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390806161) 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, 286255 + ... + 287616.

It is an arithmetic number, because the mean of its divisors is an integer number (65421408).

Almost surely, 2^390806151 is an apocalyptic number.

390806151 is a deficient number, since it is larger than the sum of its proper divisors (132565113).

390806151 is a wasteful number, since it uses less digits than its factorization.

390806151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574101.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 390806151 is about 19768.8176429447. The cubic root of 390806151 is about 731.1174173538.

The spelling of 390806151 in words is "three hundred ninety million, eight hundred six thousand, one hundred fifty-one".