90337628 has 12 divisors (see below), whose sum is σ = 166411560. Its totient is φ = 42791472.

The previous prime is 90337591. The next prime is 90337651. The reversal of 90337628 is 82673309.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 90337591 and 90337600.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 594251 + ... + 594402.

It is an arithmetic number, because the mean of its divisors is an integer number (13867630).

Almost surely, 2^90337628 is an apocalyptic number.

It is an amenable number.

90337628 is a deficient number, since it is larger than the sum of its proper divisors (76073932).

90337628 is a wasteful number, since it uses less digits than its factorization.

90337628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188676 (or 1188674 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 90337628 is about 9504.6108810408. The cubic root of 90337628 is about 448.7001634069.

It can be divided in two parts, 9033 and 7628, that added together give a palindrome (16661).

The spelling of 90337628 in words is "ninety million, three hundred thirty-seven thousand, six hundred twenty-eight".