913749 has 8 divisors (see below), whose sum is σ = 1222752. Its totient is φ = 606960.

The previous prime is 913739. The next prime is 913753. The reversal of 913749 is 947319.

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

It is not a de Polignac number, because 913749 - 2¹⁵ = 880981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913709) 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, 1342 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (152844).

2⁹¹³⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

913749 is a deficient number, since it is larger than the sum of its proper divisors (309003).

913749 is a wasteful number, since it uses less digits than its factorization.

913749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107.

The product of its digits is 6804, while the sum is 33.

The square root of 913749 is about 955.9021916493. The cubic root of 913749 is about 97.0381045604.

The spelling of 913749 in words is "nine hundred thirteen thousand, seven hundred forty-nine".