990752626 has 8 divisors (see below), whose sum is σ = 1526294700. Its totient is φ = 481987728.

The previous prime is 990752599. The next prime is 990752629. The reversal of 990752626 is 626257099.

It can be written as a sum of positive squares in 2 ways, for example, as 720117225 + 270635401 = 26835^2 + 16451^2 .

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

It is not an unprimeable number, because it can be changed into a prime (990752629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6694201 + ... + 6694348.

Almost surely, 2^990752626 is an apocalyptic number.

990752626 is a deficient number, since it is larger than the sum of its proper divisors (535542074).

990752626 is a wasteful number, since it uses less digits than its factorization.

990752626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13388588.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 990752626 is about 31476.2231851282. The cubic root of 990752626 is about 996.9079913362.

The spelling of 990752626 in words is "nine hundred ninety million, seven hundred fifty-two thousand, six hundred twenty-six".