990473702 has 32 divisors (see below), whose sum is σ = 1582338240. Its totient is φ = 464020480.

The previous prime is 990473579. The next prime is 990473707. The reversal of 990473702 is 207374099.

It is a self number, because there is not a number n which added to its sum of digits gives 990473702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990473707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461552 + ... + 463692.

It is an arithmetic number, because the mean of its divisors is an integer number (49448070).

Almost surely, 2^990473702 is an apocalyptic number.

990473702 is a deficient number, since it is larger than the sum of its proper divisors (591864538).

990473702 is a wasteful number, since it uses less digits than its factorization.

990473702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 990473702 is about 31471.7921637774. The cubic root of 990473702 is about 996.8144302543.

The spelling of 990473702 in words is "nine hundred ninety million, four hundred seventy-three thousand, seven hundred two".