194252492 has 48 divisors (see below), whose sum is σ = 395841600. Its totient is φ = 81696000.

The previous prime is 194252483. The next prime is 194252533. The reversal of 194252492 is 294252491.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

Its product of digits (51840) is a multiple of the sum of its prime divisors (720).

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 15 ways as a sum of consecutive naturals, for example, 421142 + ... + 421602.

It is an arithmetic number, because the mean of its divisors is an integer number (8246700).

Almost surely, 2^194252492 is an apocalyptic number.

It is an amenable number.

194252492 is an abundant number, since it is smaller than the sum of its proper divisors (201589108).

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

194252492 is a wasteful number, since it uses less digits than its factorization.

194252492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 194252492 is about 13937.4492644816. The cubic root of 194252492 is about 579.1470737214.

Subtracting 194252492 from its reverse (294252491), we obtain a palindrome (99999999).

The spelling of 194252492 in words is "one hundred ninety-four million, two hundred fifty-two thousand, four hundred ninety-two".