3406881 has 8 divisors (see below), whose sum is σ = 4551040. Its totient is φ = 2266992.

The previous prime is 3406877. The next prime is 3406913. The reversal of 3406881 is 1886043.

It is a happy number.

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

It is not a de Polignac number, because 3406881 - 2² = 3406877 is a prime.

It is a super-2 number, since 2×3406881² = 23213676296322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406801) 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, 2571 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (568880).

Almost surely, 2^3406881 is an apocalyptic number.

It is an amenable number.

3406881 is a deficient number, since it is larger than the sum of its proper divisors (1144159).

3406881 is a wasteful number, since it uses less digits than its factorization.

3406881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3406881 is about 1845.7738214635. The cubic root of 3406881 is about 150.4708316817.

The spelling of 3406881 in words is "three million, four hundred six thousand, eight hundred eighty-one".