349336656 has 60 divisors (see below), whose sum is σ = 982056192. Its totient is φ = 115921728.

The previous prime is 349336649. The next prime is 349336693. The reversal of 349336656 is 656633943.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27345 + ... + 38031.

Almost surely, 2^349336656 is an apocalyptic number.

349336656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349336656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491028096).

349336656 is an abundant number, since it is smaller than the sum of its proper divisors (632719536).

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

349336656 is a wasteful number, since it uses less digits than its factorization.

349336656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928 (or 10919 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 45.

The square root of 349336656 is about 18690.5499116532. The cubic root of 349336656 is about 704.2843741811.

The spelling of 349336656 in words is "three hundred forty-nine million, three hundred thirty-six thousand, six hundred fifty-six".