194857480 has 32 divisors (see below), whose sum is σ = 442958040. Its totient is φ = 77137920.

The previous prime is 194857477. The next prime is 194857493. The reversal of 194857480 is 84758491.

It can be written as a sum of positive squares in 4 ways, for example, as 116251524 + 78605956 = 10782^2 + 8866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194857480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21231 + ... + 28990.

Almost surely, 2^194857480 is an apocalyptic number.

194857480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194857480 is an abundant number, since it is smaller than the sum of its proper divisors (248100560).

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

194857480 is a wasteful number, since it uses less digits than its factorization.

194857480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50329 (or 50325 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 194857480 is about 13959.1360764196. The cubic root of 194857480 is about 579.7476904950.

The spelling of 194857480 in words is "one hundred ninety-four million, eight hundred fifty-seven thousand, four hundred eighty".