34138444 has 12 divisors (see below), whose sum is σ = 59887800. Its totient is φ = 17027648.

The previous prime is 34138441. The next prime is 34138451. The reversal of 34138444 is 44483143.

It is a super-2 number, since 2×34138444² = 2330866717482272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34138441) 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, 8509 + ... + 11860.

It is an arithmetic number, because the mean of its divisors is an integer number (4990650).

Almost surely, 2^34138444 is an apocalyptic number.

It is an amenable number.

34138444 is a deficient number, since it is larger than the sum of its proper divisors (25749356).

34138444 is a wasteful number, since it uses less digits than its factorization.

34138444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792 (or 20790 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 34138444 is about 5842.8113096351. The cubic root of 34138444 is about 324.4002952617.

The spelling of 34138444 in words is "thirty-four million, one hundred thirty-eight thousand, four hundred forty-four".