916448233 has 4 divisors (see below), whose sum is σ = 916532100. Its totient is φ = 916364368.

The previous prime is 916448213. The next prime is 916448237. The reversal of 916448233 is 332844619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 332844619 = 151 ⋅2204269.

It can be written as a sum of positive squares in 2 ways, for example, as 593994384 + 322453849 = 24372^2 + 17957^2 .

It is a cyclic number.

It is not a de Polignac number, because 916448233 - 2²⁹ = 379577321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916448237) 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, 22558 + ... + 48391.

It is an arithmetic number, because the mean of its divisors is an integer number (229133025).

Almost surely, 2^916448233 is an apocalyptic number.

It is an amenable number.

916448233 is a deficient number, since it is larger than the sum of its proper divisors (83867).

916448233 is a wasteful number, since it uses less digits than its factorization.

916448233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83866.

The product of its digits is 124416, while the sum is 40.

The square root of 916448233 is about 30272.8960127702. The cubic root of 916448233 is about 971.3356146830.

The spelling of 916448233 in words is "nine hundred sixteen million, four hundred forty-eight thousand, two hundred thirty-three".