3546440 has 16 divisors (see below), whose sum is σ = 7979580. Its totient is φ = 1418560.

The previous prime is 3546437. The next prime is 3546449. The reversal of 3546440 is 446453.

It can be written as a sum of positive squares in 2 ways, for example, as 2896804 + 649636 = 1702^2 + 806^2 .

It is not an unprimeable number, because it can be changed into a prime (3546449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44291 + ... + 44370.

Almost surely, 2^3546440 is an apocalyptic number.

It is an amenable number.

3546440 is an abundant number, since it is smaller than the sum of its proper divisors (4433140).

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

3546440 is a wasteful number, since it uses less digits than its factorization.

3546440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88672 (or 88668 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3546440 is about 1883.1994052675. The cubic root of 3546440 is about 152.4980202198.

The spelling of 3546440 in words is "three million, five hundred forty-six thousand, four hundred forty".