321434799 has 32 divisors (see below), whose sum is σ = 529543680. Its totient is φ = 169299072.

The previous prime is 321434791. The next prime is 321434807. The reversal of 321434799 is 997434123.

It is an interprime number because it is at equal distance from previous prime (321434791) and next prime (321434807).

It is not a de Polignac number, because 321434799 - 2³ = 321434791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321434799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321434791) 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, 3877 + ... + 25649.

It is an arithmetic number, because the mean of its divisors is an integer number (16548240).

Almost surely, 2^321434799 is an apocalyptic number.

321434799 is a deficient number, since it is larger than the sum of its proper divisors (208108881).

321434799 is a wasteful number, since it uses less digits than its factorization.

321434799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21839.

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

The square root of 321434799 is about 17928.6028178439. The cubic root of 321434799 is about 685.0111344914.

The spelling of 321434799 in words is "three hundred twenty-one million, four hundred thirty-four thousand, seven hundred ninety-nine".