30889200 has 60 divisors (see below), whose sum is σ = 98952248. Its totient is φ = 8236800.

The previous prime is 30889181. The next prime is 30889213. The reversal of 30889200 is 298803.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11671 + ... + 14070.

Almost surely, 2^30889200 is an apocalyptic number.

30889200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30889200 is an abundant number, since it is smaller than the sum of its proper divisors (68063048).

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

30889200 is a wasteful number, since it uses less digits than its factorization.

30889200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25762 (or 25751 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 30889200 is about 5557.8053222473. The cubic root of 30889200 is about 313.7633550396.

The spelling of 30889200 in words is "thirty million, eight hundred eighty-nine thousand, two hundred".