345881814 has 32 divisors (see below), whose sum is σ = 730944000. Its totient is φ = 108810144.

The previous prime is 345881807. The next prime is 345881819. The reversal of 345881814 is 418188543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345881819) by changing a digit.

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, 25027 + ... + 36305.

It is an arithmetic number, because the mean of its divisors is an integer number (22842000).

Almost surely, 2^345881814 is an apocalyptic number.

345881814 is an abundant number, since it is smaller than the sum of its proper divisors (385062186).

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

345881814 is a wasteful number, since it uses less digits than its factorization.

345881814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11572.

The product of its digits is 122880, while the sum is 42.

The square root of 345881814 is about 18597.8981070442. The cubic root of 345881814 is about 701.9549528322.

The spelling of 345881814 in words is "three hundred forty-five million, eight hundred eighty-one thousand, eight hundred fourteen".