839516490 has 24 divisors (see below), whose sum is σ = 2182743108. Its totient is φ = 223871040.

The previous prime is 839516471. The next prime is 839516507. The reversal of 839516490 is 94615938.

It is a happy number.

839516490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 830995929 + 8520561 = 28827^2 + 2919^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4663891 + ... + 4664070.

Almost surely, 2^839516490 is an apocalyptic number.

839516490 is an abundant number, since it is smaller than the sum of its proper divisors (1343226618).

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

839516490 is a wasteful number, since it uses less digits than its factorization.

839516490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9327974 (or 9327971 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 839516490 is about 28974.4109517346. The cubic root of 839516490 is about 943.3577254268.

The spelling of 839516490 in words is "eight hundred thirty-nine million, five hundred sixteen thousand, four hundred ninety".