349318656 has 100 divisors (see below), whose sum is σ = 1042747992. Its totient is φ = 116425728.

The previous prime is 349318609. The next prime is 349318657. The reversal of 349318656 is 656813943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349318657) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37261 + ... + 45683.

Almost surely, 2^349318656 is an apocalyptic number.

349318656 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 349318656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521373996).

349318656 is an abundant number, since it is smaller than the sum of its proper divisors (693429336).

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

349318656 is an frugal number, since it uses more digits than its factorization.

349318656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8453 (or 8428 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 349318656 is about 18690.0683786871. The cubic root of 349318656 is about 704.2722776010.

The spelling of 349318656 in words is "three hundred forty-nine million, three hundred eighteen thousand, six hundred fifty-six".