108621894 has 16 divisors (see below), whose sum is σ = 218703600. Its totient is φ = 35964000.

The previous prime is 108621889. The next prime is 108621911. The reversal of 108621894 is 498126801.

It is a super-2 number, since 2×108621894² = 23597431712294472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59857 + ... + 61644.

It is an arithmetic number, because the mean of its divisors is an integer number (13668975).

Almost surely, 2^108621894 is an apocalyptic number.

108621894 is an abundant number, since it is smaller than the sum of its proper divisors (110081706).

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

108621894 is a wasteful number, since it uses less digits than its factorization.

108621894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121655.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 108621894 is about 10422.1827848105. The cubic root of 108621894 is about 477.1326363130.

The spelling of 108621894 in words is "one hundred eight million, six hundred twenty-one thousand, eight hundred ninety-four".