343687444 has 12 divisors (see below), whose sum is σ = 605285044. Its totient is φ = 170748864.

The previous prime is 343687429. The next prime is 343687451. The reversal of 343687444 is 444786343.

It can be written as a sum of positive squares in 2 ways, for example, as 219632400 + 124055044 = 14820^2 + 11138^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 343687444.

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 3 ways as a sum of consecutive naturals, for example, 273009 + ... + 274264.

Almost surely, 2^343687444 is an apocalyptic number.

It is an amenable number.

343687444 is a deficient number, since it is larger than the sum of its proper divisors (261597600).

343687444 is a wasteful number, since it uses less digits than its factorization.

343687444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547434 (or 547432 counting only the distinct ones).

The product of its digits is 774144, while the sum is 43.

The square root of 343687444 is about 18538.8091311173. The cubic root of 343687444 is about 700.4673369048.

The spelling of 343687444 in words is "three hundred forty-three million, six hundred eighty-seven thousand, four hundred forty-four".