389513046 has 16 divisors (see below), whose sum is σ = 838951344. Its totient is φ = 119850144.

The previous prime is 389513041. The next prime is 389513071. The reversal of 389513046 is 640315983.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 389512995 and 389513013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389513041) 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, 2496801 + ... + 2496956.

It is an arithmetic number, because the mean of its divisors is an integer number (52434459).

Almost surely, 2^389513046 is an apocalyptic number.

389513046 is an abundant number, since it is smaller than the sum of its proper divisors (449438298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389513046 is a wasteful number, since it uses less digits than its factorization.

389513046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993775.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 389513046 is about 19736.0848701053. The cubic root of 389513046 is about 730.3101490641.

The spelling of 389513046 in words is "three hundred eighty-nine million, five hundred thirteen thousand, forty-six".