3378591 has 20 divisors (see below), whose sum is σ = 5148792. Its totient is φ = 2207088.

The previous prime is 3378589. The next prime is 3378611. The reversal of 3378591 is 1958733.

It is not a de Polignac number, because 3378591 - 2¹ = 3378589 is a prime.

It is a super-2 number, since 2×3378591² = 22829754290562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3378191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3900 + ... + 4686.

Almost surely, 2^3378591 is an apocalyptic number.

3378591 is a deficient number, since it is larger than the sum of its proper divisors (1770201).

3378591 is an equidigital number, since it uses as much as digits as its factorization.

3378591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 843 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3378591 is about 1838.0943936588. The cubic root of 3378591 is about 150.0531811429.

It can be divided in two parts, 3378 and 591, that added together give a square (3969 = 63²).

The spelling of 3378591 in words is "three million, three hundred seventy-eight thousand, five hundred ninety-one".