185090530 has 8 divisors (see below), whose sum is σ = 333162972. Its totient is φ = 74036208.

The previous prime is 185090527. The next prime is 185090573. The reversal of 185090530 is 35090581.

It can be written as a sum of positive squares in 2 ways, for example, as 167676601 + 17413929 = 12949^2 + 4173^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 185090492 and 185090501.

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, 9254517 + ... + 9254536.

Almost surely, 2^185090530 is an apocalyptic number.

185090530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185090530 is a deficient number, since it is larger than the sum of its proper divisors (148072442).

185090530 is a wasteful number, since it uses less digits than its factorization.

185090530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18509060.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 185090530 is about 13604.7980506879. The cubic root of 185090530 is about 569.8948508206.

The spelling of 185090530 in words is "one hundred eighty-five million, ninety thousand, five hundred thirty".