990929737 has 8 divisors (see below), whose sum is σ = 1139273856. Its totient is φ = 844281312.

The previous prime is 990929729. The next prime is 990929741. The reversal of 990929737 is 737929099.

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

It is not a de Polignac number, because 990929737 - 2³ = 990929729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (990929707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422668 + ... + 425005.

It is an arithmetic number, because the mean of its divisors is an integer number (142409232).

Almost surely, 2^990929737 is an apocalyptic number.

It is an amenable number.

990929737 is a deficient number, since it is larger than the sum of its proper divisors (148344119).

990929737 is a wasteful number, since it uses less digits than its factorization.

990929737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847847.

The product of its (nonzero) digits is 1928934, while the sum is 55.

The square root of 990929737 is about 31479.0364687358. The cubic root of 990929737 is about 996.9673915829.

The spelling of 990929737 in words is "nine hundred ninety million, nine hundred twenty-nine thousand, seven hundred thirty-seven".