185397338 has 16 divisors (see below), whose sum is σ = 325216320. Its totient is φ = 77607936.

The previous prime is 185397323. The next prime is 185397371. The reversal of 185397338 is 833793581.

It is a junction number, because it is equal to n+sod(n) for n = 185397292 and 185397301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153383 + ... + 154586.

It is an arithmetic number, because the mean of its divisors is an integer number (20326020).

Almost surely, 2^185397338 is an apocalyptic number.

185397338 is a deficient number, since it is larger than the sum of its proper divisors (139818982).

185397338 is a wasteful number, since it uses less digits than its factorization.

185397338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308021.

The product of its digits is 544320, while the sum is 47.

The square root of 185397338 is about 13616.0691096954. The cubic root of 185397338 is about 570.2095648835.

The spelling of 185397338 in words is "one hundred eighty-five million, three hundred ninety-seven thousand, three hundred thirty-eight".