913538 has 4 divisors (see below), whose sum is σ = 1370310. Its totient is φ = 456768.

The previous prime is 913513. The next prime is 913571. The reversal of 913538 is 835319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 908209 + 5329 = 953^2 + 73^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 913538.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913538.

It is an unprimeable number.

913538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228383 + ... + 228386.

2⁹¹³⁵³⁸ is an apocalyptic number.

913538 is a deficient number, since it is larger than the sum of its proper divisors (456772).

913538 is a wasteful number, since it uses less digits than its factorization.

913538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456771.

The product of its digits is 3240, while the sum is 29.

The square root of 913538 is about 955.7918183370. The cubic root of 913538 is about 97.0306347423.

It can be divided in two parts, 913 and 538, that multiplied together give a palindrome (491194).

The spelling of 913538 in words is "nine hundred thirteen thousand, five hundred thirty-eight".