90103488 has 56 divisors (see below), whose sum is σ = 240566448. Its totient is φ = 29761536.

The previous prime is 90103487. The next prime is 90103499. The reversal of 90103488 is 88430109.

It is a super-2 number, since 2×90103488² = 16237277099532288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90103483) 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, 19620 + ... + 23772.

Almost surely, 2^90103488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90103488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120283224).

90103488 is an abundant number, since it is smaller than the sum of its proper divisors (150462960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90103488 is a wasteful number, since it uses less digits than its factorization.

90103488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 90103488 is about 9492.2857099858. The cubic root of 90103488 is about 448.3121761259.

The spelling of 90103488 in words is "ninety million, one hundred three thousand, four hundred eighty-eight".