816313420 has 48 divisors (see below), whose sum is σ = 1880988480. Its totient is φ = 295716096.

The previous prime is 816313409. The next prime is 816313423. The reversal of 816313420 is 24313618.

816313420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (816313423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15840 + ... + 43399.

It is an arithmetic number, because the mean of its divisors is an integer number (39187260).

Almost surely, 2^816313420 is an apocalyptic number.

It is an amenable number.

816313420 is an abundant number, since it is smaller than the sum of its proper divisors (1064675060).

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

816313420 is a wasteful number, since it uses less digits than its factorization.

816313420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59314 (or 59312 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 816313420 is about 28571.1991347931. The cubic root of 816313420 is about 934.5853709832.

The spelling of 816313420 in words is "eight hundred sixteen million, three hundred thirteen thousand, four hundred twenty".