990964667 has 8 divisors (see below), whose sum is σ = 1235488512. Its totient is φ = 772180200.

The previous prime is 990964657. The next prime is 990964699. The reversal of 990964667 is 766469099.

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

It is not a de Polignac number, because 990964667 - 2⁴ = 990964651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990964657) 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, 6434759 + ... + 6434912.

It is an arithmetic number, because the mean of its divisors is an integer number (154436064).

Almost surely, 2^990964667 is an apocalyptic number.

990964667 is a deficient number, since it is larger than the sum of its proper divisors (244523845).

990964667 is a wasteful number, since it uses less digits than its factorization.

990964667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869689.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 990964667 is about 31479.5912775246. The cubic root of 990964667 is about 996.9791057204.

The spelling of 990964667 in words is "nine hundred ninety million, nine hundred sixty-four thousand, six hundred sixty-seven".