34409639 has 8 divisors (see below), whose sum is σ = 37825920. Its totient is φ = 31041400.

The previous prime is 34409621. The next prime is 34409647. The reversal of 34409639 is 93690443.

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 34409639 - 2⁸ = 34409383 is a prime.

It is a super-2 number, since 2×34409639² = 2368046512220642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34409239) 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, 10499 + ... + 13380.

It is an arithmetic number, because the mean of its divisors is an integer number (4728240).

Almost surely, 2^34409639 is an apocalyptic number.

34409639 is a deficient number, since it is larger than the sum of its proper divisors (3416281).

34409639 is a wasteful number, since it uses less digits than its factorization.

34409639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24021.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 34409639 is about 5865.9729798218. The cubic root of 34409639 is about 325.2570400479.

The spelling of 34409639 in words is "thirty-four million, four hundred nine thousand, six hundred thirty-nine".