916319 has 2 divisors, whose sum is σ = 916320. Its totient is φ = 916318.

The previous prime is 916291. The next prime is 916337. The reversal of 916319 is 913619.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916319 is a prime.

It is a super-2 number, since 2×916319² = 1679281019522, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 916291 and 916300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458159 + 458160.

It is an arithmetic number, because the mean of its divisors is an integer number (458160).

2⁹¹⁶³¹⁹ is an apocalyptic number.

916319 is a deficient number, since it is larger than the sum of its proper divisors (1).

916319 is an equidigital number, since it uses as much as digits as its factorization.

916319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 916319 is about 957.2455275424. The cubic root of 916319 is about 97.1289954888.

The spelling of 916319 in words is "nine hundred sixteen thousand, three hundred nineteen".