34321390 has 16 divisors (see below), whose sum is σ = 61971120. Its totient is φ = 13685760.

The previous prime is 34321381. The next prime is 34321403. The reversal of 34321390 is 9312343.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 8494.

It is an arithmetic number, because the mean of its divisors is an integer number (3873195).

Almost surely, 2^34321390 is an apocalyptic number.

34321390 is a deficient number, since it is larger than the sum of its proper divisors (27649730).

34321390 is a wasteful number, since it uses less digits than its factorization.

34321390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 34321390 is about 5858.4460396935. The cubic root of 34321390 is about 324.9787441720.

The spelling of 34321390 in words is "thirty-four million, three hundred twenty-one thousand, three hundred ninety".