1902180996 has 45 divisors (see below), whose sum is σ = 4974729991. Its totient is φ = 633798648.

The previous prime is 1902180979. The next prime is 1902181009. The reversal of 1902180996 is 6990812091.

The square root of 1902180996 is 43614.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 783841 + ... + 786263.

Almost surely, 2^1902180996 is an apocalyptic number.

1902180996 is the 43614-th square number.

It is an amenable number.

1902180996 is an abundant number, since it is smaller than the sum of its proper divisors (3072548995).

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

1902180996 is an frugal number, since it uses more digits than its factorization.

1902180996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4862 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The cubic root of 1902180996 is about 1239.0360606029.

The spelling of 1902180996 in words is "one billion, nine hundred two million, one hundred eighty thousand, nine hundred ninety-six".