189496057 has 16 divisors (see below), whose sum is σ = 202954752. Its totient is φ = 176513040.

The previous prime is 189496051. The next prime is 189496061. The reversal of 189496057 is 750694981.

It is not a de Polignac number, because 189496057 - 2¹¹ = 189494009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189496057.

It is not an unprimeable number, because it can be changed into a prime (189496051) 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, 331582 + ... + 332152.

It is an arithmetic number, because the mean of its divisors is an integer number (12684672).

Almost surely, 2^189496057 is an apocalyptic number.

It is an amenable number.

189496057 is a deficient number, since it is larger than the sum of its proper divisors (13458695).

189496057 is a wasteful number, since it uses less digits than its factorization.

189496057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 189496057 is about 13765.7566809820. The cubic root of 189496057 is about 574.3809918256.

The spelling of 189496057 in words is "one hundred eighty-nine million, four hundred ninety-six thousand, fifty-seven".