856340298 has 48 divisors (see below), whose sum is σ = 2130616800. Its totient is φ = 245838240.

The previous prime is 856340273. The next prime is 856340323. The reversal of 856340298 is 892043658.

856340298 is a `hidden beast` number, since 8 + 5 + 634 + 0 + 2 + 9 + 8 = 666.

856340298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (856340273) and next prime (856340323).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110053 + ... + 117576.

It is an arithmetic number, because the mean of its divisors is an integer number (44387850).

Almost surely, 2^856340298 is an apocalyptic number.

856340298 is an abundant number, since it is smaller than the sum of its proper divisors (1274276502).

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

856340298 is a wasteful number, since it uses less digits than its factorization.

856340298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227667 (or 227664 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 856340298 is about 29263.2926718782. The cubic root of 856340298 is about 949.6176847593.

The spelling of 856340298 in words is "eight hundred fifty-six million, three hundred forty thousand, two hundred ninety-eight".