916642 has 8 divisors (see below), whose sum is σ = 1434816. Its totient is φ = 438372.

The previous prime is 916633. The next prime is 916649. The reversal of 916642 is 246619.

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

It is a self number, because there is not a number n which added to its sum of digits gives 916642.

It is not an unprimeable number, because it can be changed into a prime (916649) 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, 9918 + ... + 10009.

It is an arithmetic number, because the mean of its divisors is an integer number (179352).

2⁹¹⁶⁶⁴² is an apocalyptic number.

916642 is a deficient number, since it is larger than the sum of its proper divisors (518174).

916642 is a wasteful number, since it uses less digits than its factorization.

916642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19952.

The product of its digits is 2592, while the sum is 28.

The square root of 916642 is about 957.4142259231. The cubic root of 916642 is about 97.1404067185.

The spelling of 916642 in words is "nine hundred sixteen thousand, six hundred forty-two".