99790937 has 8 divisors (see below), whose sum is σ = 102175752. Its totient is φ = 97430400.

The previous prime is 99790921. The next prime is 99790967. The reversal of 99790937 is 73909799.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 99780121 = 104^2 + 9989^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99790937 - 2⁴ = 99790921 is a prime.

It is a super-2 number, since 2×99790937² = 19916462214675938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99790967) 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, 2387 + ... + 14327.

It is an arithmetic number, because the mean of its divisors is an integer number (12771969).

Almost surely, 2^99790937 is an apocalyptic number.

It is an amenable number.

99790937 is a deficient number, since it is larger than the sum of its proper divisors (2384815).

99790937 is a wasteful number, since it uses less digits than its factorization.

99790937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139.

The product of its (nonzero) digits is 964467, while the sum is 53.

The square root of 99790937 is about 9989.5413808643. The cubic root of 99790937 is about 463.8351961909.

The spelling of 99790937 in words is "ninety-nine million, seven hundred ninety thousand, nine hundred thirty-seven".