194692980 has 48 divisors (see below), whose sum is σ = 545860224. Its totient is φ = 51849600.

The previous prime is 194692961. The next prime is 194692987. The reversal of 194692980 is 89296491.

It is a super-2 number, since 2×194692980² = 75810712922560800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194692987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57330 + ... + 60630.

It is an arithmetic number, because the mean of its divisors is an integer number (11372088).

Almost surely, 2^194692980 is an apocalyptic number.

194692980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194692980 is an abundant number, since it is smaller than the sum of its proper divisors (351167244).

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

194692980 is a wasteful number, since it uses less digits than its factorization.

194692980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296 (or 4294 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 194692980 is about 13953.2426338826. The cubic root of 194692980 is about 579.5845022602.

The spelling of 194692980 in words is "one hundred ninety-four million, six hundred ninety-two thousand, nine hundred eighty".