190621050 has 48 divisors (see below), whose sum is σ = 473734560. Its totient is φ = 50725440.

The previous prime is 190621007. The next prime is 190621061. The reversal of 190621050 is 50126091.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190621050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91824 + ... + 93876.

It is an arithmetic number, because the mean of its divisors is an integer number (9869470).

Almost surely, 2^190621050 is an apocalyptic number.

190621050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190621050 is an abundant number, since it is smaller than the sum of its proper divisors (283113510).

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

190621050 is a wasteful number, since it uses less digits than its factorization.

190621050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2682 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 190621050 is about 13806.5582242643. The cubic root of 190621050 is about 575.5154042912.

The spelling of 190621050 in words is "one hundred ninety million, six hundred twenty-one thousand, fifty".