900538 has 8 divisors (see below), whose sum is σ = 1358388. Its totient is φ = 447744.

The previous prime is 900511. The next prime is 900539. The reversal of 900538 is 835009.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 41209 = 927^2 + 203^2 .

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

It is not an unprimeable number, because it can be changed into a prime (900539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781 + ... + 1552.

2⁹⁰⁰⁵³⁸ is an apocalyptic number.

900538 is a deficient number, since it is larger than the sum of its proper divisors (457850).

900538 is a wasteful number, since it uses less digits than its factorization.

900538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 900538 is about 948.9668065849. The cubic root of 900538 is about 96.5681728984.

The spelling of 900538 in words is "nine hundred thousand, five hundred thirty-eight".