349199424 has 140 divisors (see below), whose sum is σ = 1183136064. Its totient is φ = 99760896.

The previous prime is 349199401. The next prime is 349199443. The reversal of 349199424 is 424991943.

349199424 is a `hidden beast` number, since 34 + 9 + 199 + 424 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 349199424.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31477 + ... + 41099.

Almost surely, 2^349199424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349199424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591568032).

349199424 is an abundant number, since it is smaller than the sum of its proper divisors (833936640).

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

349199424 is an equidigital number, since it uses as much as digits as its factorization.

349199424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9635 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 349199424 is about 18686.8783909994. The cubic root of 349199424 is about 704.1921393600.

The spelling of 349199424 in words is "three hundred forty-nine million, one hundred ninety-nine thousand, four hundred twenty-four".