349995672 has 96 divisors (see below), whose sum is σ = 1036242480. Its totient is φ = 106064640.

The previous prime is 349995647. The next prime is 349995733. The reversal of 349995672 is 276599943.

349995672 is a `hidden beast` number, since 3 + 499 + 95 + 67 + 2 = 666.

349995672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59922 + ... + 65502.

Almost surely, 2^349995672 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 349995672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518121240).

349995672 is an abundant number, since it is smaller than the sum of its proper divisors (686246808).

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

349995672 is a wasteful number, since it uses less digits than its factorization.

349995672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673 (or 5666 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 349995672 is about 18708.1712628466. The cubic root of 349995672 is about 704.7269683651.

The spelling of 349995672 in words is "three hundred forty-nine million, nine hundred ninety-five thousand, six hundred seventy-two".