344866 has 4 divisors (see below), whose sum is σ = 517302. Its totient is φ = 172432.

The previous prime is 344863. The next prime is 344873. The reversal of 344866 is 668443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668443 = 521 ⋅1283.

It can be written as a sum of positive squares in only one way, i.e., 279841 + 65025 = 529^2 + 255^2 .

It is a pancake number, because a pancake can be divided into 344866 parts by 830 straight cuts.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (344863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86215 + ... + 86218.

2³⁴⁴⁸⁶⁶ is an apocalyptic number.

344866 is a deficient number, since it is larger than the sum of its proper divisors (172436).

344866 is a wasteful number, since it uses less digits than its factorization.

344866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172435.

The product of its digits is 13824, while the sum is 31.

The square root of 344866 is about 587.2529267701. The cubic root of 344866 is about 70.1267092765.

It can be divided in two parts, 34 and 4866, that added together give a square (4900 = 70²).

The spelling of 344866 in words is "three hundred forty-four thousand, eight hundred sixty-six".