344020626 has 12 divisors (see below), whose sum is σ = 745378062. Its totient is φ = 114673536.

The previous prime is 344020601. The next prime is 344020639. The reversal of 344020626 is 626020443.

344020626 is a `hidden beast` number, since 34 + 4 + 0 + 2 + 0 + 626 = 666.

It can be written as a sum of positive squares in only one way, i.e., 254434401 + 89586225 = 15951^2 + 9465^2 .

It is a super-2 number, since 2×344020626² = 236700382226863752, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344020626.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9556111 + ... + 9556146.

Almost surely, 2^344020626 is an apocalyptic number.

344020626 is an abundant number, since it is smaller than the sum of its proper divisors (401357436).

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

344020626 is a wasteful number, since it uses less digits than its factorization.

344020626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19112265 (or 19112262 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 344020626 is about 18547.7930223517. The cubic root of 344020626 is about 700.6936158844.

The spelling of 344020626 in words is "three hundred forty-four million, twenty thousand, six hundred twenty-six".