344782086 has 16 divisors (see below), whose sum is σ = 752251968. Its totient is φ = 104479400.

The previous prime is 344782063. The next prime is 344782129. The reversal of 344782086 is 680287443.

It is a super-2 number, since 2×344782086² = 237749373653022792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611920 + ... + 2612051.

It is an arithmetic number, because the mean of its divisors is an integer number (47015748).

Almost surely, 2^344782086 is an apocalyptic number.

344782086 is an abundant number, since it is smaller than the sum of its proper divisors (407469882).

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

344782086 is a wasteful number, since it uses less digits than its factorization.

344782086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223987.

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 344782086 is about 18568.3086467239. The cubic root of 344782086 is about 701.2102098984.

The spelling of 344782086 in words is "three hundred forty-four million, seven hundred eighty-two thousand, eighty-six".