340351872 has 128 divisors (see below), whose sum is σ = 1042391040. Its totient is φ = 96380928.

The previous prime is 340351867. The next prime is 340351901. The reversal of 340351872 is 278153043.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340878 + ... + 341874.

It is an arithmetic number, because the mean of its divisors is an integer number (8143680).

Almost surely, 2^340351872 is an apocalyptic number.

340351872 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 340351872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521195520).

340351872 is an abundant number, since it is smaller than the sum of its proper divisors (702039168).

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

340351872 is a wasteful number, since it uses less digits than its factorization.

340351872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 340351872 is about 18448.6279164603. The cubic root of 340351872 is about 698.1938963741.

The spelling of 340351872 in words is "three hundred forty million, three hundred fifty-one thousand, eight hundred seventy-two".