34440438 has 8 divisors (see below), whose sum is σ = 68880888. Its totient is φ = 11480144.

The previous prime is 34440437. The next prime is 34440449. The reversal of 34440438 is 83404443.

It is a sphenic number, since it is the product of 3 distinct primes.

34440438 is an admirable number.

It is a super-2 number, since 2×34440438² = 2372287539263688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34440437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870031 + ... + 2870042.

It is an arithmetic number, because the mean of its divisors is an integer number (8610111).

Almost surely, 2^34440438 is an apocalyptic number.

34440438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

34440438 is a wasteful number, since it uses less digits than its factorization.

34440438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740078.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 34440438 is about 5868.5976178300. The cubic root of 34440438 is about 325.3540536032.

The spelling of 34440438 in words is "thirty-four million, four hundred forty thousand, four hundred thirty-eight".