349630688 has 24 divisors (see below), whose sum is σ = 750912120. Its totient is φ = 158922880.

The previous prime is 349630681. The next prime is 349630693. The reversal of 349630688 is 886036943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349630681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496283 + ... + 496986.

It is an arithmetic number, because the mean of its divisors is an integer number (31288005).

Almost surely, 2^349630688 is an apocalyptic number.

It is an amenable number.

349630688 is an abundant number, since it is smaller than the sum of its proper divisors (401281432).

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

349630688 is a wasteful number, since it uses less digits than its factorization.

349630688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993290 (or 993282 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 349630688 is about 18698.4140503948. The cubic root of 349630688 is about 704.4819143545.

The spelling of 349630688 in words is "three hundred forty-nine million, six hundred thirty thousand, six hundred eighty-eight".