34320399 has 8 divisors (see below), whose sum is σ = 48452400. Its totient is φ = 21534336.

The previous prime is 34320383. The next prime is 34320401. The reversal of 34320399 is 99302343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34320399 - 2⁴ = 34320383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336424 + ... + 336525.

It is an arithmetic number, because the mean of its divisors is an integer number (6056550).

Almost surely, 2^34320399 is an apocalyptic number.

34320399 is a deficient number, since it is larger than the sum of its proper divisors (14132001).

34320399 is a wasteful number, since it uses less digits than its factorization.

34320399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672969.

The product of its (nonzero) digits is 17496, while the sum is 33.

The square root of 34320399 is about 5858.3614603403. The cubic root of 34320399 is about 324.9756163166.

The spelling of 34320399 in words is "thirty-four million, three hundred twenty thousand, three hundred ninety-nine".