916455424 has 88 divisors (see below), whose sum is σ = 2013265440. Its totient is φ = 415236096.

The previous prime is 916455409. The next prime is 916455439. The reversal of 916455424 is 424554619.

It is an interprime number because it is at equal distance from previous prime (916455409) and next prime (916455439).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39845877 + ... + 39845899.

Almost surely, 2^916455424 is an apocalyptic number.

916455424 is a droll number since its even prime factors and its odd prime factors have the same sum.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 916455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006632720).

916455424 is an abundant number, since it is smaller than the sum of its proper divisors (1096810016).

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

916455424 is an frugal number, since it uses more digits than its factorization.

916455424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 44 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 916455424 is about 30273.0147821455. The cubic root of 916455424 is about 971.3381552361.

The spelling of 916455424 in words is "nine hundred sixteen million, four hundred fifty-five thousand, four hundred twenty-four".