347899872 has 96 divisors (see below), whose sum is σ = 936230400. Its totient is φ = 113082368.

The previous prime is 347899841. The next prime is 347899873. The reversal of 347899872 is 278998743.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347899873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353568 + ... + 1353824.

It is an arithmetic number, because the mean of its divisors is an integer number (9752400).

Almost surely, 2^347899872 is an apocalyptic number.

347899872 is a gapful number since it is divisible by the number (32) 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 347899872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468115200).

347899872 is an abundant number, since it is smaller than the sum of its proper divisors (588330528).

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

347899872 is a wasteful number, since it uses less digits than its factorization.

347899872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 560 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The square root of 347899872 is about 18652.0742010105. The cubic root of 347899872 is about 703.3174988511.

The spelling of 347899872 in words is "three hundred forty-seven million, eight hundred ninety-nine thousand, eight hundred seventy-two".