349440224 has 36 divisors (see below), whose sum is σ = 786870504. Its totient is φ = 149640192.

The previous prime is 349440211. The next prime is 349440233. The reversal of 349440224 is 422044943.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 279152 + ... + 280400.

It is an arithmetic number, because the mean of its divisors is an integer number (21857514).

Almost surely, 2^349440224 is an apocalyptic number.

It is an amenable number.

349440224 is an abundant number, since it is smaller than the sum of its proper divisors (437430280).

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

349440224 is an frugal number, since it uses more digits than its factorization.

349440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 349440224 is about 18693.3203043226. The cubic root of 349440224 is about 704.3539671422.

The spelling of 349440224 in words is "three hundred forty-nine million, four hundred forty thousand, two hundred twenty-four".