344261406 has 16 divisors (see below), whose sum is σ = 689691024. Its totient is φ = 114559104.

The previous prime is 344261353. The next prime is 344261419. The reversal of 344261406 is 604162443.

It is a super-2 number, since 2×344261406² = 237031831322193672, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44821 + ... + 51936.

It is an arithmetic number, because the mean of its divisors is an integer number (43105689).

Almost surely, 2^344261406 is an apocalyptic number.

344261406 is an abundant number, since it is smaller than the sum of its proper divisors (345429618).

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

344261406 is a wasteful number, since it uses less digits than its factorization.

344261406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97355.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 344261406 is about 18554.2826862156. The cubic root of 344261406 is about 700.8570495573.

The spelling of 344261406 in words is "three hundred forty-four million, two hundred sixty-one thousand, four hundred six".