916739 has 4 divisors (see below), whose sum is σ = 918840. Its totient is φ = 914640.

The previous prime is 916733. The next prime is 916771. The reversal of 916739 is 937619.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937619 = 191 ⋅4909.

It is a cyclic number.

It is not a de Polignac number, because 916739 - 2¹⁶ = 851203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 916699 and 916708.

It is not an unprimeable number, because it can be changed into a prime (916733) 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, 122 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (229710).

2⁹¹⁶⁷³⁹ is an apocalyptic number.

916739 is a deficient number, since it is larger than the sum of its proper divisors (2101).

916739 is a wasteful number, since it uses less digits than its factorization.

916739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its digits is 10206, while the sum is 35.

The square root of 916739 is about 957.4648818625. The cubic root of 916739 is about 97.1438330970.

The spelling of 916739 in words is "nine hundred sixteen thousand, seven hundred thirty-nine".