34239999 has 16 divisors (see below), whose sum is σ = 46315008. Its totient is φ = 22498752.

The previous prime is 34239983. The next prime is 34240007. The reversal of 34239999 is 99993243.

It is a happy number.

It is not a de Polignac number, because 34239999 - 2⁴ = 34239983 is a prime.

34239999 is a modest number, since divided by 9999 gives 3423 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34239929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93114 + ... + 93480.

It is an arithmetic number, because the mean of its divisors is an integer number (2894688).

Almost surely, 2^34239999 is an apocalyptic number.

34239999 is a deficient number, since it is larger than the sum of its proper divisors (12075009).

34239999 is a wasteful number, since it uses less digits than its factorization.

34239999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its digits is 472392, while the sum is 48.

The square root of 34239999 is about 5851.4954498829. The cubic root of 34239999 is about 324.7216520107.

The spelling of 34239999 in words is "thirty-four million, two hundred thirty-nine thousand, nine hundred ninety-nine".