185083930 has 32 divisors (see below), whose sum is σ = 354585600. Its totient is φ = 69315840.

The previous prime is 185083907. The next prime is 185083933. The reversal of 185083930 is 39380581.

It is a super-2 number, since 2×185083930² = 68512122288489800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 185083930.

It is not an unprimeable number, because it can be changed into a prime (185083933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31095 + ... + 36565.

It is an arithmetic number, because the mean of its divisors is an integer number (11080800).

Almost surely, 2^185083930 is an apocalyptic number.

185083930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

185083930 is a deficient number, since it is larger than the sum of its proper divisors (169501670).

185083930 is a wasteful number, since it uses less digits than its factorization.

185083930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 185083930 is about 13604.5554870418. Note that the first 3 decimals coincide. The cubic root of 185083930 is about 569.8880769269. Note that the first 3 decimals are identical.

The spelling of 185083930 in words is "one hundred eighty-five million, eighty-three thousand, nine hundred thirty".