344220695 has 32 divisors (see below), whose sum is σ = 511443072. Its totient is φ = 216571392.

The previous prime is 344220659. The next prime is 344220697. The reversal of 344220695 is 596022443.

It is a cyclic number.

It is not a de Polignac number, because 344220695 - 2¹⁶ = 344155159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344220697) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 76529 + ... + 80901.

It is an arithmetic number, because the mean of its divisors is an integer number (15982596).

Almost surely, 2^344220695 is an apocalyptic number.

344220695 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

344220695 is a deficient number, since it is larger than the sum of its proper divisors (167222377).

344220695 is a wasteful number, since it uses less digits than its factorization.

344220695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 344220695 is about 18553.1855755285. The cubic root of 344220695 is about 700.8294216020.

The spelling of 344220695 in words is "three hundred forty-four million, two hundred twenty thousand, six hundred ninety-five".