189237948 has 48 divisors (see below), whose sum is σ = 492145920. Its totient is φ = 56242944.

The previous prime is 189237913. The next prime is 189237959. The reversal of 189237948 is 849732981.

It is a super-2 number, since 2×189237948² = 71622001926501408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 189237948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20536 + ... + 28287.

It is an arithmetic number, because the mean of its divisors is an integer number (10253040).

Almost surely, 2^189237948 is an apocalyptic number.

It is an amenable number.

189237948 is an abundant number, since it is smaller than the sum of its proper divisors (302907972).

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

189237948 is a wasteful number, since it uses less digits than its factorization.

189237948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48866 (or 48864 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 189237948 is about 13756.3784478328. The cubic root of 189237948 is about 574.1200888327.

The spelling of 189237948 in words is "one hundred eighty-nine million, two hundred thirty-seven thousand, nine hundred forty-eight".