34642399 has 4 divisors (see below), whose sum is σ = 37791720. Its totient is φ = 31493080.

The previous prime is 34642357. The next prime is 34642409. The reversal of 34642399 is 99324643.

34642399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99324643 = 11 ⋅9029513.

It is a cyclic number.

It is not a de Polignac number, because 34642399 - 2²³ = 26253791 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 (34642319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574644 + ... + 1574665.

It is an arithmetic number, because the mean of its divisors is an integer number (9447930).

Almost surely, 2^34642399 is an apocalyptic number.

34642399 is a deficient number, since it is larger than the sum of its proper divisors (3149321).

34642399 is a wasteful number, since it uses less digits than its factorization.

34642399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149320.

The product of its digits is 139968, while the sum is 40.

The square root of 34642399 is about 5885.7793876427. The cubic root of 34642399 is about 325.9887803985.

The spelling of 34642399 in words is "thirty-four million, six hundred forty-two thousand, three hundred ninety-nine".