190538872 has 8 divisors (see below), whose sum is σ = 357260400. Its totient is φ = 95269432.

The previous prime is 190538861. The next prime is 190538879. The reversal of 190538872 is 278835091.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190538879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11908672 + ... + 11908687.

It is an arithmetic number, because the mean of its divisors is an integer number (44657550).

Almost surely, 2^190538872 is an apocalyptic number.

It is an amenable number.

190538872 is a deficient number, since it is larger than the sum of its proper divisors (166721528).

190538872 is a wasteful number, since it uses less digits than its factorization.

190538872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817365 (or 23817361 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 190538872 is about 13803.5818539972. The cubic root of 190538872 is about 575.4326895668.

The spelling of 190538872 in words is "one hundred ninety million, five hundred thirty-eight thousand, eight hundred seventy-two".