3465581 has 16 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 2766960.

The previous prime is 3465577. The next prime is 3465599. The reversal of 3465581 is 1855643.

It is a happy number.

It is not a de Polignac number, because 3465581 - 2² = 3465577 is a prime.

It is a super-2 number, since 2×3465581² = 24020503335122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3465281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9260 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (264960).

Almost surely, 2^3465581 is an apocalyptic number.

It is an amenable number.

3465581 is a deficient number, since it is larger than the sum of its proper divisors (773779).

3465581 is a wasteful number, since it uses less digits than its factorization.

3465581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 14400, while the sum is 32.

The square root of 3465581 is about 1861.6071014046. The cubic root of 3465581 is about 151.3301112387.

The spelling of 3465581 in words is "three million, four hundred sixty-five thousand, five hundred eighty-one".