916432 has 40 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 403200.

The previous prime is 916417. The next prime is 916441. The reversal of 916432 is 234619.

It is a super-2 number, since 2×916432² = 1679695221248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 916397 and 916406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7153 + ... + 7279.

2⁹¹⁶⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999936).

916432 is an abundant number, since it is smaller than the sum of its proper divisors (1083440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

916432 is a wasteful number, since it uses less digits than its factorization.

916432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 916432 is about 957.3045492423. The cubic root of 916432 is about 97.1329879577.

The spelling of 916432 in words is "nine hundred sixteen thousand, four hundred thirty-two".