90630837 has 24 divisors (see below), whose sum is σ = 143589888. Its totient is φ = 54628800.

The previous prime is 90630823. The next prime is 90630853. The reversal of 90630837 is 73803609.

It is not a de Polignac number, because 90630837 - 2⁴ = 90630821 is a prime.

It is a super-3 number, since 3×90630837³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90630857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16513 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (5982912).

Almost surely, 2^90630837 is an apocalyptic number.

It is an amenable number.

90630837 is a deficient number, since it is larger than the sum of its proper divisors (52959051).

90630837 is a wasteful number, since it uses less digits than its factorization.

90630837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90630837 is about 9520.0229516530. The cubic root of 90630837 is about 449.1850881174.

The spelling of 90630837 in words is "ninety million, six hundred thirty thousand, eight hundred thirty-seven".