3438581 has 4 divisors (see below), whose sum is σ = 3518592. Its totient is φ = 3358572.

The previous prime is 3438571. The next prime is 3438583. The reversal of 3438581 is 1858343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3438581 - 2⁶ = 3438517 is a prime.

It is a super-2 number, since 2×3438581² = 23647678587122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3438583) 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, 39941 + ... + 40026.

It is an arithmetic number, because the mean of its divisors is an integer number (879648).

Almost surely, 2^3438581 is an apocalyptic number.

It is an amenable number.

3438581 is a deficient number, since it is larger than the sum of its proper divisors (80011).

3438581 is an equidigital number, since it uses as much as digits as its factorization.

3438581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80010.

The product of its digits is 11520, while the sum is 32.

The square root of 3438581 is about 1854.3411228790. The cubic root of 3438581 is about 150.9360868647.

The spelling of 3438581 in words is "three million, four hundred thirty-eight thousand, five hundred eighty-one".