916394273 has 4 divisors (see below), whose sum is σ = 916490388. Its totient is φ = 916298160.

The previous prime is 916394257. The next prime is 916394279. The reversal of 916394273 is 372493619.

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: 372493619 = 71 ⋅5246389.

It can be written as a sum of positive squares in 2 ways, for example, as 73479184 + 842915089 = 8572^2 + 29033^2 .

It is a cyclic number.

It is not a de Polignac number, because 916394273 - 2⁴ = 916394257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916394279) 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, 31958 + ... + 53423.

It is an arithmetic number, because the mean of its divisors is an integer number (229122597).

Almost surely, 2^916394273 is an apocalyptic number.

It is an amenable number.

916394273 is a deficient number, since it is larger than the sum of its proper divisors (96115).

916394273 is a wasteful number, since it uses less digits than its factorization.

916394273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96114.

The product of its digits is 244944, while the sum is 44.

The square root of 916394273 is about 30272.0047733876. The cubic root of 916394273 is about 971.3165503952.

The spelling of 916394273 in words is "nine hundred sixteen million, three hundred ninety-four thousand, two hundred seventy-three".