347838444 has 18 divisors (see below), whose sum is σ = 879258380. Its totient is φ = 115946136.

The previous prime is 347838431. The next prime is 347838451. The reversal of 347838444 is 444838743.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×347838444² = 241983166248682272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 347838444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4831054 + ... + 4831125.

Almost surely, 2^347838444 is an apocalyptic number.

It is an amenable number.

347838444 is an abundant number, since it is smaller than the sum of its proper divisors (531419936).

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

347838444 is a wasteful number, since it uses less digits than its factorization.

347838444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662189 (or 9662184 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 45.

The square root of 347838444 is about 18650.4274481847. The cubic root of 347838444 is about 703.2761019495.

The spelling of 347838444 in words is "three hundred forty-seven million, eight hundred thirty-eight thousand, four hundred forty-four".