390077157 has 8 divisors (see below), whose sum is σ = 532788480. Its totient is φ = 253708640.

The previous prime is 390077153. The next prime is 390077159. The reversal of 390077157 is 751770093.

It is a happy number.

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 390077157 - 2² = 390077153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390077153) 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 7 ways as a sum of consecutive naturals, for example, 1585557 + ... + 1585802.

It is an arithmetic number, because the mean of its divisors is an integer number (66598560).

Almost surely, 2^390077157 is an apocalyptic number.

It is an amenable number.

390077157 is a deficient number, since it is larger than the sum of its proper divisors (142711323).

390077157 is a wasteful number, since it uses less digits than its factorization.

390077157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171403.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 390077157 is about 19750.3710598054. The cubic root of 390077157 is about 730.6625354361.

It can be divided in two parts, 39007 and 7157, that added together give a palindrome (46164).

The spelling of 390077157 in words is "three hundred ninety million, seventy-seven thousand, one hundred fifty-seven".