810379698 has 64 divisors (see below), whose sum is σ = 1770958080. Its totient is φ = 247032576.

The previous prime is 810379679. The next prime is 810379721. The reversal of 810379698 is 896973018.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 810379698.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1090315 + ... + 1091057.

It is an arithmetic number, because the mean of its divisors is an integer number (27671220).

Almost surely, 2^810379698 is an apocalyptic number.

810379698 is an abundant number, since it is smaller than the sum of its proper divisors (960578382).

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

810379698 is a wasteful number, since it uses less digits than its factorization.

810379698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 810379698 is about 28467.1687738700. The cubic root of 810379698 is about 932.3153845844.

The spelling of 810379698 in words is "eight hundred ten million, three hundred seventy-nine thousand, six hundred ninety-eight".