349123590 has 24 divisors (see below), whose sum is σ = 907721568. Its totient is φ = 93099600.

The previous prime is 349123589. The next prime is 349123603. The reversal of 349123590 is 95321943.

It is a happy number.

349123590 is a `hidden beast` number, since 3 + 49 + 1 + 23 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939486 + ... + 1939665.

It is an arithmetic number, because the mean of its divisors is an integer number (37821732).

Almost surely, 2^349123590 is an apocalyptic number.

349123590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

349123590 is an abundant number, since it is smaller than the sum of its proper divisors (558597978).

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

349123590 is a wasteful number, since it uses less digits than its factorization.

349123590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879164 (or 3879161 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 349123590 is about 18684.8492099883. The cubic root of 349123590 is about 704.1411603022.

The spelling of 349123590 in words is "three hundred forty-nine million, one hundred twenty-three thousand, five hundred ninety".