990376761 has 8 divisors (see below), whose sum is σ = 1440548064. Its totient is φ = 600228320.

The previous prime is 990376679. The next prime is 990376787. The reversal of 990376761 is 167673099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 990376761 - 2¹⁴ = 990360377 is a prime.

It is a super-2 number, since 2×990376761² = 1961692257457702242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 990376761.

It is not an unprimeable number, because it can be changed into a prime (990374761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15005676 + ... + 15005741.

It is an arithmetic number, because the mean of its divisors is an integer number (180068508).

Almost surely, 2^990376761 is an apocalyptic number.

It is an amenable number.

990376761 is a deficient number, since it is larger than the sum of its proper divisors (450171303).

990376761 is a wasteful number, since it uses less digits than its factorization.

990376761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30011431.

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 990376761 is about 31470.2520008976. The cubic root of 990376761 is about 996.7819086638.

The spelling of 990376761 in words is "nine hundred ninety million, three hundred seventy-six thousand, seven hundred sixty-one".