3403581 has 8 divisors (see below), whose sum is σ = 4593120. Its totient is φ = 2241552.

The previous prime is 3403577. The next prime is 3403591. The reversal of 3403581 is 1853043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3403581 - 2² = 3403577 is a prime.

It is a super-2 number, since 2×3403581² = 23168727247122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6586 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (574140).

Almost surely, 2^3403581 is an apocalyptic number.

It is an amenable number.

3403581 is a deficient number, since it is larger than the sum of its proper divisors (1189539).

3403581 is a wasteful number, since it uses less digits than its factorization.

3403581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13755.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3403581 is about 1844.8796708729. The cubic root of 3403581 is about 150.4222325714.

The spelling of 3403581 in words is "three million, four hundred three thousand, five hundred eighty-one".