5390186856 has 32 divisors (see below), whose sum is σ = 13556168640. Its totient is φ = 1785968768.

The previous prime is 5390186843. The next prime is 5390186861. The reversal of 5390186856 is 6586810935.

It is a super-2 number, since 2×5390186856² = 58108228685190329472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5390186799 and 5390186808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668421 + ... + 676436.

It is an arithmetic number, because the mean of its divisors is an integer number (423630270).

Almost surely, 2^5390186856 is an apocalyptic number.

It is an amenable number.

5390186856 is an abundant number, since it is smaller than the sum of its proper divisors (8165981784).

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

5390186856 is a wasteful number, since it uses less digits than its factorization.

5390186856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345033 (or 1345029 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 5390186856 is about 73417.8919337786. The cubic root of 5390186856 is about 1753.3472649294.

The spelling of 5390186856 in words is "five billion, three hundred ninety million, one hundred eighty-six thousand, eight hundred fifty-six".