839985070 has 32 divisors (see below), whose sum is σ = 1580954112. Its totient is φ = 320725152.

The previous prime is 839985061. The next prime is 839985073. The reversal of 839985070 is 70589938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839985073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116799 + ... + 123781.

It is an arithmetic number, because the mean of its divisors is an integer number (49404816).

Almost surely, 2^839985070 is an apocalyptic number.

839985070 is a deficient number, since it is larger than the sum of its proper divisors (740969042).

839985070 is a wasteful number, since it uses less digits than its factorization.

839985070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 839985070 is about 28982.4959242644. The cubic root of 839985070 is about 943.5332059372.

The spelling of 839985070 in words is "eight hundred thirty-nine million, nine hundred eighty-five thousand, seventy".