34427988 has 108 divisors (see below), whose sum is σ = 104881140. Its totient is φ = 9483264.

The previous prime is 34427969. The next prime is 34427989. The reversal of 34427988 is 88972443.

It can be written as a sum of positive squares in 2 ways, for example, as 14607684 + 19820304 = 3822^2 + 4452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34427989) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50820 + ... + 51492.

Almost surely, 2^34427988 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 34427988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52440570).

34427988 is an abundant number, since it is smaller than the sum of its proper divisors (70453152).

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

34427988 is a wasteful number, since it uses less digits than its factorization.

34427988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 714 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 34427988 is about 5867.5367915336. The cubic root of 34427988 is about 325.3148444023.

The spelling of 34427988 in words is "thirty-four million, four hundred twenty-seven thousand, nine hundred eighty-eight".