344638984 has 8 divisors (see below), whose sum is σ = 646198110. Its totient is φ = 172319488.

The previous prime is 344638961. The next prime is 344638999. The reversal of 344638984 is 489836443.

It can be written as a sum of positive squares in only one way, i.e., 282576100 + 62062884 = 16810^2 + 7878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21539929 + ... + 21539944.

Almost surely, 2^344638984 is an apocalyptic number.

It is an amenable number.

344638984 is a deficient number, since it is larger than the sum of its proper divisors (301559126).

344638984 is a wasteful number, since it uses less digits than its factorization.

344638984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43079879 (or 43079875 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 344638984 is about 18564.4548532942. The cubic root of 344638984 is about 701.1131839088.

The spelling of 344638984 in words is "three hundred forty-four million, six hundred thirty-eight thousand, nine hundred eighty-four".