340215972 has 24 divisors (see below), whose sum is σ = 797832000. Its totient is φ = 112834656.

The previous prime is 340215959. The next prime is 340216003. The reversal of 340215972 is 279512043.

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 7 ways as a sum of consecutive naturals, for example, 68847 + ... + 73622.

It is an arithmetic number, because the mean of its divisors is an integer number (33243000).

Almost surely, 2^340215972 is an apocalyptic number.

It is an amenable number.

340215972 is an abundant number, since it is smaller than the sum of its proper divisors (457616028).

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

340215972 is a wasteful number, since it uses less digits than its factorization.

340215972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142675 (or 142673 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 340215972 is about 18444.9443479778. The cubic root of 340215972 is about 698.1009561064.

It can be divided in two parts, 34021 and 5972, that added together give a palindrome (39993).

The spelling of 340215972 in words is "three hundred forty million, two hundred fifteen thousand, nine hundred seventy-two".