1924395090 has 16 divisors (see below), whose sum is σ = 4618548288. Its totient is φ = 513172016.

The previous prime is 1924395017. The next prime is 1924395127. The reversal of 1924395090 is 905934291.

It is a super-2 number, since 2×1924395090² = 7406592924832216200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32073222 + ... + 32073281.

It is an arithmetic number, because the mean of its divisors is an integer number (288659268).

Almost surely, 2^1924395090 is an apocalyptic number.

1924395090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1924395090 is an abundant number, since it is smaller than the sum of its proper divisors (2694153198).

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

1924395090 is a wasteful number, since it uses less digits than its factorization.

1924395090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64146513.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 1924395090 is about 43867.9278060863. The cubic root of 1924395090 is about 1243.8406523321.

The spelling of 1924395090 in words is "one billion, nine hundred twenty-four million, three hundred ninety-five thousand, ninety".