863412942 has 16 divisors (see below), whose sum is σ = 1973515392. Its totient is φ = 246689400.

The previous prime is 863412923. The next prime is 863412947. The reversal of 863412942 is 249214368.

It is a self number, because there is not a number n which added to its sum of digits gives 863412942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863412947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10278684 + ... + 10278767.

It is an arithmetic number, because the mean of its divisors is an integer number (123344712).

Almost surely, 2^863412942 is an apocalyptic number.

863412942 is an abundant number, since it is smaller than the sum of its proper divisors (1110102450).

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

863412942 is a wasteful number, since it uses less digits than its factorization.

863412942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20557463.

The product of its digits is 82944, while the sum is 39.

The square root of 863412942 is about 29383.8891571555. The cubic root of 863412942 is about 952.2248655258.

The spelling of 863412942 in words is "eight hundred sixty-three million, four hundred twelve thousand, nine hundred forty-two".