194902398 has 24 divisors (see below), whose sum is σ = 422831448. Its totient is φ = 64883952.

The previous prime is 194902333. The next prime is 194902423. The reversal of 194902398 is 893209491.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8340 + ... + 21432.

It is an arithmetic number, because the mean of its divisors is an integer number (17617977).

Almost surely, 2^194902398 is an apocalyptic number.

194902398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

194902398 is an abundant number, since it is smaller than the sum of its proper divisors (227929050).

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

194902398 is a wasteful number, since it uses less digits than its factorization.

194902398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928 (or 13925 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 194902398 is about 13960.7448941666. The cubic root of 194902398 is about 579.7922343432.

The spelling of 194902398 in words is "one hundred ninety-four million, nine hundred two thousand, three hundred ninety-eight".