188988074 has 8 divisors (see below), whose sum is σ = 309253248. Its totient is φ = 85903660.

The previous prime is 188988047. The next prime is 188988097. The reversal of 188988074 is 470889881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×188988074² = 71432984228458952, which contains 22 as substring.

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, 4295162 + ... + 4295205.

It is an arithmetic number, because the mean of its divisors is an integer number (38656656).

Almost surely, 2^188988074 is an apocalyptic number.

188988074 is a deficient number, since it is larger than the sum of its proper divisors (120265174).

188988074 is a wasteful number, since it uses less digits than its factorization.

188988074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590380.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The square root of 188988074 is about 13747.2933335984. The cubic root of 188988074 is about 573.8672838808.

The spelling of 188988074 in words is "one hundred eighty-eight million, nine hundred eighty-eight thousand, seventy-four".