194976490 has 16 divisors (see below), whose sum is σ = 351941760. Its totient is φ = 77771920.

The previous prime is 194976487. The next prime is 194976511. The reversal of 194976490 is 94679491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23566 + ... + 30745.

It is an arithmetic number, because the mean of its divisors is an integer number (21996360).

Almost surely, 2^194976490 is an apocalyptic number.

194976490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194976490 is a deficient number, since it is larger than the sum of its proper divisors (156965270).

194976490 is a wasteful number, since it uses less digits than its factorization.

194976490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54677.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 194976490 is about 13963.3982253605. The cubic root of 194976490 is about 579.8656942293.

The spelling of 194976490 in words is "one hundred ninety-four million, nine hundred seventy-six thousand, four hundred ninety".