90699337 has 4 divisors (see below), whose sum is σ = 91502100. Its totient is φ = 89896576.

The previous prime is 90699319. The next prime is 90699449. The reversal of 90699337 is 73399609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 90269001 = 656^2 + 9501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90699337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90699137) 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, 401212 + ... + 401437.

It is an arithmetic number, because the mean of its divisors is an integer number (22875525).

Almost surely, 2^90699337 is an apocalyptic number.

It is an amenable number.

90699337 is a deficient number, since it is larger than the sum of its proper divisors (802763).

90699337 is a wasteful number, since it uses less digits than its factorization.

90699337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802762.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 90699337 is about 9523.6199525181. The cubic root of 90699337 is about 449.2982263195.

The spelling of 90699337 in words is "ninety million, six hundred ninety-nine thousand, three hundred thirty-seven".