34278444 has 48 divisors (see below), whose sum is σ = 89187840. Its totient is φ = 11385360.

The previous prime is 34278407. The next prime is 34278449. The reversal of 34278444 is 44487243.

It is a happy number.

It is a super-2 number, since 2×34278444² = 2350023446122272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 34278399 and 34278408.

It is not an unprimeable number, because it can be changed into a prime (34278449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54009 + ... + 54639.

It is an arithmetic number, because the mean of its divisors is an integer number (1858080).

Almost surely, 2^34278444 is an apocalyptic number.

It is an amenable number.

34278444 is an abundant number, since it is smaller than the sum of its proper divisors (54909396).

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

34278444 is a wasteful number, since it uses less digits than its factorization.

34278444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1139 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 34278444 is about 5854.7795859451. The cubic root of 34278444 is about 324.8431400835.

The spelling of 34278444 in words is "thirty-four million, two hundred seventy-eight thousand, four hundred forty-four".