3388865 has 8 divisors (see below), whose sum is σ = 4305960. Its totient is φ = 2551552.

The previous prime is 3388849. The next prime is 3388877. The reversal of 3388865 is 5688833.

It can be written as a sum of positive squares in 4 ways, for example, as 790321 + 2598544 = 889^2 + 1612^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3388865 - 2⁴ = 3388849 is a prime.

It is a super-2 number, since 2×3388865² = 22968811976450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19850 + ... + 20019.

It is an arithmetic number, because the mean of its divisors is an integer number (538245).

Almost surely, 2^3388865 is an apocalyptic number.

It is an amenable number.

3388865 is a deficient number, since it is larger than the sum of its proper divisors (917095).

3388865 is a wasteful number, since it uses less digits than its factorization.

3388865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39891.

The product of its digits is 138240, while the sum is 41.

The square root of 3388865 is about 1840.8870144580. The cubic root of 3388865 is about 150.2051267663.

Subtracting 3388865 from its reverse (5688833), we obtain a cube (2299968 = 132³).

The spelling of 3388865 in words is "three million, three hundred eighty-eight thousand, eight hundred sixty-five".