34446620 has 72 divisors (see below), whose sum is σ = 82442304. Its totient is φ = 12016512.

The previous prime is 34446557. The next prime is 34446623. The reversal of 34446620 is 2664443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34446623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93677 + ... + 94043.

It is an arithmetic number, because the mean of its divisors is an integer number (1145032).

Almost surely, 2^34446620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34446620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41221152).

34446620 is an abundant number, since it is smaller than the sum of its proper divisors (47995684).

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

34446620 is a wasteful number, since it uses less digits than its factorization.

34446620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 34446620 is about 5869.1242958383. The cubic root of 34446620 is about 325.3735192715.

It can be divided in two parts, 344 and 46620, that added together give a palindrome (46964).

The spelling of 34446620 in words is "thirty-four million, four hundred forty-six thousand, six hundred twenty".