102889404 has 36 divisors (see below), whose sum is σ = 260802360. Its totient is φ = 34201440.

The previous prime is 102889399. The next prime is 102889433. The reversal of 102889404 is 404988201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 9874 + ... + 17414.

It is an arithmetic number, because the mean of its divisors is an integer number (7244510).

Almost surely, 2^102889404 is an apocalyptic number.

It is an amenable number.

102889404 is an abundant number, since it is smaller than the sum of its proper divisors (157912956).

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

102889404 is a wasteful number, since it uses less digits than its factorization.

102889404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7930 (or 7925 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 102889404 is about 10143.4414278390. The cubic root of 102889404 is about 468.5869798987.

The spelling of 102889404 in words is "one hundred two million, eight hundred eighty-nine thousand, four hundred four".