349632480 has 96 divisors (see below), whose sum is σ = 1119490848. Its totient is φ = 91699200.

The previous prime is 349632473. The next prime is 349632511. The reversal of 349632480 is 84236943.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23310 + ... + 35250.

It is an arithmetic number, because the mean of its divisors is an integer number (11661363).

Almost surely, 2^349632480 is an apocalyptic number.

349632480 is a gapful number since it is divisible by the number (30) 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 349632480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559745424).

349632480 is an abundant number, since it is smaller than the sum of its proper divisors (769858368).

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

349632480 is a wasteful number, since it uses less digits than its factorization.

349632480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 12012 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 349632480 is about 18698.4619688358. The cubic root of 349632480 is about 704.4831179382.

The spelling of 349632480 in words is "three hundred forty-nine million, six hundred thirty-two thousand, four hundred eighty".