990612676 has 9 divisors (see below), whose sum is σ = 1733682349. Its totient is φ = 495274864.

The previous prime is 990612619. The next prime is 990612677. The reversal of 990612676 is 676216099.

The square root of 990612676 is 31474.

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., 901800900 + 88811776 = 30030^2 + 9424^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990612677) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55080 + ... + 70816.

Almost surely, 2^990612676 is an apocalyptic number.

990612676 is the 31474-th square number.

It is an amenable number.

990612676 is a deficient number, since it is larger than the sum of its proper divisors (743069673).

990612676 is an frugal number, since it uses more digits than its factorization.

990612676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31478 (or 15739 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The cubic root of 990612676 is about 996.8610492979.

The spelling of 990612676 in words is "nine hundred ninety million, six hundred twelve thousand, six hundred seventy-six".