34521444 has 96 divisors (see below), whose sum is σ = 94227840. Its totient is φ = 10917504.

The previous prime is 34521439. The next prime is 34521449. The reversal of 34521444 is 44412543.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34521439) and next prime (34521449).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34521449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211707 + ... + 211869.

It is an arithmetic number, because the mean of its divisors is an integer number (981540).

Almost surely, 2^34521444 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 34521444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47113920).

34521444 is an abundant number, since it is smaller than the sum of its proper divisors (59706396).

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

34521444 is a wasteful number, since it uses less digits than its factorization.

34521444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 258 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 34521444 is about 5875.4952131714. The cubic root of 34521444 is about 325.6089380318.

Adding to 34521444 its reverse (44412543), we get a palindrome (78933987).

The spelling of 34521444 in words is "thirty-four million, five hundred twenty-one thousand, four hundred forty-four".