34499440 has 40 divisors (see below), whose sum is σ = 84436560. Its totient is φ = 13072896.

The previous prime is 34499419. The next prime is 34499441. The reversal of 34499440 is 4499443.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×34499440² = 2380422720627200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34499440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34499441) 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, 9829 + ... + 12868.

It is an arithmetic number, because the mean of its divisors is an integer number (2110914).

Almost surely, 2^34499440 is an apocalyptic number.

It is an amenable number.

34499440 is an abundant number, since it is smaller than the sum of its proper divisors (49937120).

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

34499440 is a wasteful number, since it uses less digits than its factorization.

34499440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729 (or 22723 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 34499440 is about 5873.6223916762. The cubic root of 34499440 is about 325.5397421828.

The spelling of 34499440 in words is "thirty-four million, four hundred ninety-nine thousand, four hundred forty".