3445668 has 18 divisors (see below), whose sum is σ = 8709974. Its totient is φ = 1148544.

The previous prime is 3445667. The next prime is 3445691. The reversal of 3445668 is 8665443.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 459684 = 1728^2 + 678^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 95713 = 3445668 / (3 + 4 + 4 + 5 + 6 + 6 + 8).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3445667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47821 + ... + 47892.

Almost surely, 2^3445668 is an apocalyptic number.

It is an amenable number.

3445668 is an abundant number, since it is smaller than the sum of its proper divisors (5264306).

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

3445668 is a wasteful number, since it uses less digits than its factorization.

3445668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95723 (or 95718 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 3445668 is about 1856.2510606058. The cubic root of 3445668 is about 151.0397100362.

The spelling of 3445668 in words is "three million, four hundred forty-five thousand, six hundred sixty-eight".