913089 has 4 divisors (see below), whose sum is σ = 1217456. Its totient is φ = 608724.

The previous prime is 913067. The next prime is 913103. The reversal of 913089 is 980319.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 980319 = 3 ⋅326773.

It is not a de Polignac number, because 913089 - 2¹² = 908993 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913039) 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, 152179 + ... + 152184.

It is an arithmetic number, because the mean of its divisors is an integer number (304364).

2⁹¹³⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

913089 is a deficient number, since it is larger than the sum of its proper divisors (304367).

913089 is a wasteful number, since it uses less digits than its factorization.

913089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304366.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 913089 is about 955.5569056838. The cubic root of 913089 is about 97.0147354239.

The spelling of 913089 in words is "nine hundred thirteen thousand, eighty-nine".