3385991 has 8 divisors (see below), whose sum is σ = 4038144. Its totient is φ = 2775960.

The previous prime is 3385973. The next prime is 3385997. The reversal of 3385991 is 1995833.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3385991 is a prime.

It is a super-2 number, since 2×3385991² = 22929870104162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3385997) 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, 10355 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (504768).

Almost surely, 2^3385991 is an apocalyptic number.

3385991 is a deficient number, since it is larger than the sum of its proper divisors (652153).

3385991 is a wasteful number, since it uses less digits than its factorization.

3385991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21061.

The product of its digits is 29160, while the sum is 38.

The square root of 3385991 is about 1840.1062469325. The cubic root of 3385991 is about 150.1626531921.

The spelling of 3385991 in words is "three million, three hundred eighty-five thousand, nine hundred ninety-one".