3301581 has 16 divisors (see below), whose sum is σ = 4677120. Its totient is φ = 2067120.

The previous prime is 3301579. The next prime is 3301591. The reversal of 3301581 is 1851033.

It is a happy number.

It is not a de Polignac number, because 3301581 - 2¹ = 3301579 is a prime.

It is a super-2 number, since 2×3301581² = 21800874199122, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3301511) 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, 3666 + ... + 4476.

It is an arithmetic number, because the mean of its divisors is an integer number (292320).

Almost surely, 2^3301581 is an apocalyptic number.

It is an amenable number.

3301581 is a deficient number, since it is larger than the sum of its proper divisors (1375539).

3301581 is a wasteful number, since it uses less digits than its factorization.

3301581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 3301581 is about 1817.0253162793. The cubic root of 3301581 is about 148.9043272730.

The spelling of 3301581 in words is "three million, three hundred one thousand, five hundred eighty-one".