389700051 has 32 divisors (see below), whose sum is σ = 591037440. Its totient is φ = 226416384.

The previous prime is 389700029. The next prime is 389700053. The reversal of 389700051 is 150007983.

It is not a de Polignac number, because 389700051 - 2⁵ = 389700019 is a prime.

It is a super-2 number, since 2×389700051² = 303732259498805202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389699985 and 389700021.

It is not an unprimeable number, because it can be changed into a prime (389700053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271231 + ... + 272663.

It is an arithmetic number, because the mean of its divisors is an integer number (18469920).

Almost surely, 2^389700051 is an apocalyptic number.

389700051 is a deficient number, since it is larger than the sum of its proper divisors (201337389).

389700051 is a wasteful number, since it uses less digits than its factorization.

389700051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 389700051 is about 19740.8219433741. The cubic root of 389700051 is about 730.4270041995.

The spelling of 389700051 in words is "three hundred eighty-nine million, seven hundred thousand, fifty-one".