34149391 has 8 divisors (see below), whose sum is σ = 34607664. Its totient is φ = 33694080.

The previous prime is 34149361. The next prime is 34149397. The reversal of 34149391 is 19394143.

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

It is a cyclic number.

It is not a de Polignac number, because 34149391 - 2⁷ = 34149263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34149397) 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, 30756 + ... + 31846.

It is an arithmetic number, because the mean of its divisors is an integer number (4325958).

Almost surely, 2^34149391 is an apocalyptic number.

34149391 is a deficient number, since it is larger than the sum of its proper divisors (458273).

34149391 is a wasteful number, since it uses less digits than its factorization.

34149391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481.

The product of its digits is 11664, while the sum is 34.

The square root of 34149391 is about 5843.7480267376. The cubic root of 34149391 is about 324.4349661498.

The spelling of 34149391 in words is "thirty-four million, one hundred forty-nine thousand, three hundred ninety-one".