194785364 has 6 divisors (see below), whose sum is σ = 340874394. Its totient is φ = 97392680.

The previous prime is 194785351. The next prime is 194785387. The reversal of 194785364 is 463587491.

It can be written as a sum of positive squares in only one way, i.e., 151093264 + 43692100 = 12292^2 + 6610^2 .

It is a super-2 number, since 2×194785364² = 75882676057224992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24348167 + ... + 24348174.

It is an arithmetic number, because the mean of its divisors is an integer number (56812399).

Almost surely, 2^194785364 is an apocalyptic number.

It is an amenable number.

194785364 is a deficient number, since it is larger than the sum of its proper divisors (146089030).

194785364 is a wasteful number, since it uses less digits than its factorization.

194785364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48696345 (or 48696343 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 194785364 is about 13956.5527262286. The cubic root of 194785364 is about 579.6761608770.

It can be divided in two parts, 19478 and 5364, that added together give a palindrome (24842).

The spelling of 194785364 in words is "one hundred ninety-four million, seven hundred eighty-five thousand, three hundred sixty-four".