916401 has 8 divisors (see below), whose sum is σ = 1227744. Its totient is φ = 608000.

The previous prime is 916387. The next prime is 916411. The reversal of 916401 is 104619.

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

It is a cyclic number.

It is not a de Polignac number, because 916401 - 2⁶ = 916337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916411) 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, 145 + ... + 1361.

It is an arithmetic number, because the mean of its divisors is an integer number (153468).

2⁹¹⁶⁴⁰¹ is an apocalyptic number.

It is an amenable number.

916401 is a deficient number, since it is larger than the sum of its proper divisors (311343).

916401 is a wasteful number, since it uses less digits than its factorization.

916401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 916401 is about 957.2883578107. The cubic root of 916401 is about 97.1318927113.

The spelling of 916401 in words is "nine hundred sixteen thousand, four hundred one".