34644642 has 16 divisors (see below), whose sum is σ = 69455232. Its totient is φ = 11520560.

The previous prime is 34644641. The next prime is 34644661. The reversal of 34644642 is 24644643.

It is not an unprimeable number, because it can be changed into a prime (34644641) 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, 4113 + ... + 9284.

It is an arithmetic number, because the mean of its divisors is an integer number (4340952).

Almost surely, 2^34644642 is an apocalyptic number.

34644642 is an abundant number, since it is smaller than the sum of its proper divisors (34810590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34644642 is a wasteful number, since it uses less digits than its factorization.

34644642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13833.

The product of its digits is 55296, while the sum is 33.

The square root of 34644642 is about 5885.9699285674. The cubic root of 34644642 is about 325.9958158721.

Subtracting from 34644642 its reverse (24644643), we obtain a palindrome (9999999).

The spelling of 34644642 in words is "thirty-four million, six hundred forty-four thousand, six hundred forty-two".