349437824 has 16 divisors (see below), whose sum is σ = 696145920. Its totient is φ = 174718848.

The previous prime is 349437811. The next prime is 349437841. The reversal of 349437824 is 428734943.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364864 + ... + 1365119.

It is an arithmetic number, because the mean of its divisors is an integer number (43509120).

Almost surely, 2^349437824 is an apocalyptic number.

It is an amenable number.

349437824 is a deficient number, since it is larger than the sum of its proper divisors (346708096).

349437824 is an equidigital number, since it uses as much as digits as its factorization.

349437824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729997 (or 2729985 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 349437824 is about 18693.2561101591. The cubic root of 349437824 is about 704.3523546075.

The spelling of 349437824 in words is "three hundred forty-nine million, four hundred thirty-seven thousand, eight hundred twenty-four".