344234666 has 32 divisors (see below), whose sum is σ = 578223360. Its totient is φ = 152741376.

The previous prime is 344234663. The next prime is 344234701. The reversal of 344234666 is 666432443.

It is a super-2 number, since 2×344234666² = 236995010552263112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (344234663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149375 + ... + 151661.

It is an arithmetic number, because the mean of its divisors is an integer number (18069480).

Almost surely, 2^344234666 is an apocalyptic number.

344234666 is a deficient number, since it is larger than the sum of its proper divisors (233988694).

344234666 is a wasteful number, since it uses less digits than its factorization.

344234666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558.

The product of its digits is 248832, while the sum is 38.

The square root of 344234666 is about 18553.5620838695. The cubic root of 344234666 is about 700.8389030728.

The spelling of 344234666 in words is "three hundred forty-four million, two hundred thirty-four thousand, six hundred sixty-six".