1816322934 has 16 divisors (see below), whose sum is σ = 3636056880. Its totient is φ = 604872480.

The previous prime is 1816322897. The next prime is 1816322939. The reversal of 1816322934 is 4392236181.

1816322934 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1816322892 and 1816322901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816322939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135177 + ... + 148004.

It is an arithmetic number, because the mean of its divisors is an integer number (227253555).

Almost surely, 2^1816322934 is an apocalyptic number.

1816322934 is an abundant number, since it is smaller than the sum of its proper divisors (1819733946).

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

1816322934 is a wasteful number, since it uses less digits than its factorization.

1816322934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284255.

The product of its digits is 62208, while the sum is 39.

The square root of 1816322934 is about 42618.3403477892. The cubic root of 1816322934 is about 1220.1063541610.

The spelling of 1816322934 in words is "one billion, eight hundred sixteen million, three hundred twenty-two thousand, nine hundred thirty-four".