1860196900 has 81 divisors (see below), whose sum is σ = 4279113489. Its totient is φ = 701811360.

The previous prime is 1860196883. The next prime is 1860196903. The reversal of 1860196900 is 96910681.

The square root of 1860196900 is 43130.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 669670884 + 1190526016 = 25878^2 + 34504^2 .

It is a super-2 number, since 2×1860196900² = 6920665013539220000, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1860196903) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8194587 + ... + 8194813.

Almost surely, 2^1860196900 is an apocalyptic number.

1860196900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1860196900 is the 43130-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1860196900

1860196900 is an abundant number, since it is smaller than the sum of its proper divisors (2418916589).

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

1860196900 is a wasteful number, since it uses less digits than its factorization.

1860196900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The cubic root of 1860196900 is about 1229.8523408794.

The spelling of 1860196900 in words is "one billion, eight hundred sixty million, one hundred ninety-six thousand, nine hundred".