346254066 has 72 divisors (see below), whose sum is σ = 797621292. Its totient is φ = 108475200.

The previous prime is 346254049. The next prime is 346254089. The reversal of 346254066 is 660452643.

346254066 is a `hidden beast` number, since 346 + 254 + 0 + 66 = 666.

346254066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 335659041 + 10595025 = 18321^2 + 3255^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 346254066.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 639756 + ... + 640296.

Almost surely, 2^346254066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 346254066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398810646).

346254066 is an abundant number, since it is smaller than the sum of its proper divisors (451367226).

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

346254066 is a wasteful number, since it uses less digits than its factorization.

346254066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 346254066 is about 18607.9033209010. The cubic root of 346254066 is about 702.2066866504.

The spelling of 346254066 in words is "three hundred forty-six million, two hundred fifty-four thousand, sixty-six".