34320402 has 16 divisors (see below), whose sum is σ = 76267680. Its totient is φ = 11440116.

The previous prime is 34320401. The next prime is 34320413. The reversal of 34320402 is 20402343.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (34320401) 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, 317728 + ... + 317835.

It is an arithmetic number, because the mean of its divisors is an integer number (4766730).

Almost surely, 2^34320402 is an apocalyptic number.

34320402 is an abundant number, since it is smaller than the sum of its proper divisors (41947278).

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

34320402 is a wasteful number, since it uses less digits than its factorization.

34320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635574 (or 635568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 34320402 is about 5858.3617163845. The cubic root of 34320402 is about 324.9756257855.

Adding to 34320402 its reverse (20402343), we get a palindrome (54722745).

The spelling of 34320402 in words is "thirty-four million, three hundred twenty thousand, four hundred two".