189487056 has 40 divisors (see below), whose sum is σ = 534010464. Its totient is φ = 57420160.

The previous prime is 189487043. The next prime is 189487069. The reversal of 189487056 is 650784981.

It is an interprime number because it is at equal distance from previous prime (189487043) and next prime (189487069).

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

It is a junction number, because it is equal to n+sod(n) for n = 189486996 and 189487014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178911 + ... + 179966.

Almost surely, 2^189487056 is an apocalyptic number.

189487056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

189487056 is an abundant number, since it is smaller than the sum of its proper divisors (344523408).

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

189487056 is a wasteful number, since it uses less digits than its factorization.

189487056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358899 (or 358893 counting only the distinct ones).

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

The square root of 189487056 is about 13765.4297426561. The cubic root of 189487056 is about 574.3718973792.

The spelling of 189487056 in words is "one hundred eighty-nine million, four hundred eighty-seven thousand, fifty-six".