189087456 has 24 divisors (see below), whose sum is σ = 496354824. Its totient is φ = 63029120.

The previous prime is 189087433. The next prime is 189087461. The reversal of 189087456 is 654780981.

189087456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984735 + ... + 984926.

It is an arithmetic number, because the mean of its divisors is an integer number (20681451).

Almost surely, 2^189087456 is an apocalyptic number.

189087456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189087456 is an abundant number, since it is smaller than the sum of its proper divisors (307267368).

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

189087456 is a wasteful number, since it uses less digits than its factorization.

189087456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969674 (or 1969666 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 189087456 is about 13750.9074609642. The cubic root of 189087456 is about 573.9678582770.

The spelling of 189087456 in words is "one hundred eighty-nine million, eighty-seven thousand, four hundred fifty-six".