34642389 has 4 divisors (see below), whose sum is σ = 46189856. Its totient is φ = 23094924.

The previous prime is 34642357. The next prime is 34642409. The reversal of 34642389 is 98324643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 34642389 - 2⁵ = 34642357 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5773729 + ... + 5773734.

It is an arithmetic number, because the mean of its divisors is an integer number (11547464).

Almost surely, 2^34642389 is an apocalyptic number.

It is an amenable number.

34642389 is a deficient number, since it is larger than the sum of its proper divisors (11547467).

34642389 is a wasteful number, since it uses less digits than its factorization.

34642389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547466.

The product of its digits is 124416, while the sum is 39.

The square root of 34642389 is about 5885.7785381375. The cubic root of 34642389 is about 325.9887490315.

The spelling of 34642389 in words is "thirty-four million, six hundred forty-two thousand, three hundred eighty-nine".