34431402 has 16 divisors (see below), whose sum is σ = 69191712. Its totient is φ = 11422320.

The previous prime is 34431373. The next prime is 34431403. The reversal of 34431402 is 20413443.

It is not an unprimeable number, because it can be changed into a prime (34431403) 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, 12333 + ... + 14864.

It is an arithmetic number, because the mean of its divisors is an integer number (4324482).

Almost surely, 2^34431402 is an apocalyptic number.

34431402 is an abundant number, since it is smaller than the sum of its proper divisors (34760310).

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

34431402 is a wasteful number, since it uses less digits than its factorization.

34431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27413.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34431402 is about 5867.8277070821. The cubic root of 34431402 is about 325.3255971670.

Adding to 34431402 its reverse (20413443), we get a palindrome (54844845).

The spelling of 34431402 in words is "thirty-four million, four hundred thirty-one thousand, four hundred two".