90808037 has 4 divisors (see below), whose sum is σ = 90830976. Its totient is φ = 90785100.

The previous prime is 90808031. The next prime is 90808057. The reversal of 90808037 is 73080809.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90808037 - 2⁸ = 90807781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90807988 and 90808006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90808031) 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, 3839 + ... + 14012.

It is an arithmetic number, because the mean of its divisors is an integer number (22707744).

Almost surely, 2^90808037 is an apocalyptic number.

It is an amenable number.

90808037 is a deficient number, since it is larger than the sum of its proper divisors (22939).

90808037 is a wasteful number, since it uses less digits than its factorization.

90808037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22938.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 90808037 is about 9529.3251072676. The cubic root of 90808037 is about 449.4776440944.

The spelling of 90808037 in words is "ninety million, eight hundred eight thousand, thirty-seven".