3453381 has 32 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 2143152.

The previous prime is 3453379. The next prime is 3453403. The reversal of 3453381 is 1833543.

It is a happy number.

3453381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3453381 - 2¹ = 3453379 is a prime.

It is a super-2 number, since 2×3453381² = 23851680662322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41566 + ... + 41648.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

Almost surely, 2^3453381 is an apocalyptic number.

It is an amenable number.

3453381 is a deficient number, since it is larger than the sum of its proper divisors (2030139).

3453381 is a wasteful number, since it uses less digits than its factorization.

3453381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 176 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3453381 is about 1858.3274738323. The cubic root of 3453381 is about 151.1523249792.

The spelling of 3453381 in words is "three million, four hundred fifty-three thousand, three hundred eighty-one".