90748 has 18 divisors (see below), whose sum is σ = 185136. Its totient is φ = 38808.

The previous prime is 90731. The next prime is 90749. The reversal of 90748 is 84709.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36 + ... + 427.

2⁹⁰⁷⁴⁸ is an apocalyptic number.

90748 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

90748 is an abundant number, since it is smaller than the sum of its proper divisors (94388).

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

90748 is a wasteful number, since it uses less digits than its factorization.

90748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 90748 is about 301.2440870789. The cubic root of 90748 is about 44.9378566085.

It can be divided in two parts, 90 and 748, that added together give a palindrome (838).

The spelling of 90748 in words is "ninety thousand, seven hundred forty-eight".