816293373 has 32 divisors (see below), whose sum is σ = 1264398336. Its totient is φ = 458794368.

The previous prime is 816293339. The next prime is 816293393. The reversal of 816293373 is 373392618.

It is a happy number.

It is not a de Polignac number, because 816293373 - 2¹⁶ = 816227837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816293323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 991440 + ... + 992262.

It is an arithmetic number, because the mean of its divisors is an integer number (39512448).

Almost surely, 2^816293373 is an apocalyptic number.

It is an amenable number.

816293373 is a deficient number, since it is larger than the sum of its proper divisors (448104963).

816293373 is a wasteful number, since it uses less digits than its factorization.

816293373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its digits is 163296, while the sum is 42.

The square root of 816293373 is about 28570.8483073219. The cubic root of 816293373 is about 934.5777204143.

The spelling of 816293373 in words is "eight hundred sixteen million, two hundred ninety-three thousand, three hundred seventy-three".