349825959 has 40 divisors (see below), whose sum is σ = 599927680. Its totient is φ = 199821816.

The previous prime is 349825939. The next prime is 349825963. The reversal of 349825959 is 959528943.

It is a happy number.

349825959 is a `hidden beast` number, since 3 + 49 + 8 + 2 + 595 + 9 = 666.

It is not a de Polignac number, because 349825959 - 2⁷ = 349825831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349825909) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 136512 + ... + 139050.

It is an arithmetic number, because the mean of its divisors is an integer number (14998192).

Almost surely, 2^349825959 is an apocalyptic number.

349825959 is a deficient number, since it is larger than the sum of its proper divisors (250101721).

349825959 is an frugal number, since it uses more digits than its factorization.

349825959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2549 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 349825959 is about 18703.6349141016. The cubic root of 349825959 is about 704.6130425137.

The spelling of 349825959 in words is "three hundred forty-nine million, eight hundred twenty-five thousand, nine hundred fifty-nine".