90889396 has 24 divisors (see below), whose sum is σ = 176820224. Its totient is φ = 40595040.

The previous prime is 90889391. The next prime is 90889397. The reversal of 90889396 is 69398809.

90889396 = T₁₁ + T₁₂ + ... + T₈₁₆.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90889391) 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, 26580 + ... + 29803.

Almost surely, 2^90889396 is an apocalyptic number.

It is an amenable number.

90889396 is a deficient number, since it is larger than the sum of its proper divisors (85930828).

90889396 is a wasteful number, since it uses less digits than its factorization.

90889396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56431 (or 56429 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 90889396 is about 9533.5930267659. The cubic root of 90889396 is about 449.6118397633.

The spelling of 90889396 in words is "ninety million, eight hundred eighty-nine thousand, three hundred ninety-six".