101889402 has 32 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 32025840.

The previous prime is 101889391. The next prime is 101889407. The reversal of 101889402 is 204988101.

It is not an unprimeable number, because it can be changed into a prime (101889407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 14997.

It is an arithmetic number, because the mean of its divisors is an integer number (6739200).

Almost surely, 2^101889402 is an apocalyptic number.

101889402 is an abundant number, since it is smaller than the sum of its proper divisors (113764998).

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

101889402 is a wasteful number, since it uses less digits than its factorization.

101889402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 101889402 is about 10094.0280364184. The cubic root of 101889402 is about 467.0639391443.

The spelling of 101889402 in words is "one hundred one million, eight hundred eighty-nine thousand, four hundred two".