916387 has 2 divisors, whose sum is σ = 916388. Its totient is φ = 916386.

The previous prime is 916367. The next prime is 916411. The reversal of 916387 is 783619.

It is a weak prime.

It is an emirp because it is prime and its reverse (783619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 916387 - 2⁷ = 916259 is a prime.

It is not a weakly prime, because it can be changed into another prime (916337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458193 + 458194.

It is an arithmetic number, because the mean of its divisors is an integer number (458194).

2⁹¹⁶³⁸⁷ is an apocalyptic number.

916387 is a deficient number, since it is larger than the sum of its proper divisors (1).

916387 is an equidigital number, since it uses as much as digits as its factorization.

916387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 916387 is about 957.2810454616. The cubic root of 916387 is about 97.1313980757.

The spelling of 916387 in words is "nine hundred sixteen thousand, three hundred eighty-seven".