863818146 has 24 divisors (see below), whose sum is σ = 1872998400. Its totient is φ = 287725176.

The previous prime is 863818121. The next prime is 863818183. The reversal of 863818146 is 641818368.

It is a happy number.

863818146 is a `hidden beast` number, since 8 + 638 + 1 + 8 + 1 + 4 + 6 = 666.

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, 8031 + ... + 42333.

It is an arithmetic number, because the mean of its divisors is an integer number (78041600).

Almost surely, 2^863818146 is an apocalyptic number.

863818146 is an abundant number, since it is smaller than the sum of its proper divisors (1009180254).

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

863818146 is a wasteful number, since it uses less digits than its factorization.

863818146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35710 (or 35707 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 863818146 is about 29390.7833512481. The cubic root of 863818146 is about 952.3738035220.

The spelling of 863818146 in words is "eight hundred sixty-three million, eight hundred eighteen thousand, one hundred forty-six".