863891094 has 32 divisors (see below), whose sum is σ = 1886100480. Its totient is φ = 261612000.

The previous prime is 863891081. The next prime is 863891117. The reversal of 863891094 is 490198368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125412 + ... + 132120.

It is an arithmetic number, because the mean of its divisors is an integer number (58940640).

Almost surely, 2^863891094 is an apocalyptic number.

863891094 is an abundant number, since it is smaller than the sum of its proper divisors (1022209386).

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

863891094 is a wasteful number, since it uses less digits than its factorization.

863891094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 863891094 is about 29392.0243263372. The cubic root of 863891094 is about 952.4006115598.

The spelling of 863891094 in words is "eight hundred sixty-three million, eight hundred ninety-one thousand, ninety-four".