3606881 has 4 divisors (see below), whose sum is σ = 3723264. Its totient is φ = 3490500.

The previous prime is 3606859. The next prime is 3606887. The reversal of 3606881 is 1886063.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1886063 = 47 ⋅40129.

It is a cyclic number.

It is not a de Polignac number, because 3606881 - 2¹⁰ = 3605857 is a prime.

It is a super-2 number, since 2×3606881² = 26019181096322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3606887) 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, 58145 + ... + 58206.

It is an arithmetic number, because the mean of its divisors is an integer number (930816).

Almost surely, 2^3606881 is an apocalyptic number.

3606881 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3606881 is a deficient number, since it is larger than the sum of its proper divisors (116383).

3606881 is a wasteful number, since it uses less digits than its factorization.

3606881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116382.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3606881 is about 1899.1790331614. The cubic root of 3606881 is about 153.3594720194.

The spelling of 3606881 in words is "three million, six hundred six thousand, eight hundred eighty-one".