90238403 has 8 divisors (see below), whose sum is σ = 91374816. Its totient is φ = 89107200.

The previous prime is 90238399. The next prime is 90238457. The reversal of 90238403 is 30483209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90238403 - 2² = 90238399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90238493) 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, 42323 + ... + 44403.

It is an arithmetic number, because the mean of its divisors is an integer number (11421852).

Almost surely, 2^90238403 is an apocalyptic number.

90238403 is a deficient number, since it is larger than the sum of its proper divisors (1136413).

90238403 is a wasteful number, since it uses less digits than its factorization.

90238403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 90238403 is about 9499.3896119698. The cubic root of 90238403 is about 448.5358222000.

The spelling of 90238403 in words is "ninety million, two hundred thirty-eight thousand, four hundred three".