913489 has 4 divisors (see below), whose sum is σ = 918324. Its totient is φ = 908656.

The previous prime is 913487. The next prime is 913513. The reversal of 913489 is 984319.

913489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984319 = 7 ⋅140617.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 286225 = 792^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 913489 - 2¹ = 913487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913483) 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, 2122 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (229581).

2⁹¹³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

913489 is a deficient number, since it is larger than the sum of its proper divisors (4835).

913489 is a wasteful number, since it uses less digits than its factorization.

913489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its digits is 7776, while the sum is 34.

The square root of 913489 is about 955.7661847963. The cubic root of 913489 is about 97.0288998807.

The spelling of 913489 in words is "nine hundred thirteen thousand, four hundred eighty-nine".