3453378 has 32 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 1094016.

The previous prime is 3453371. The next prime is 3453379. The reversal of 3453378 is 8733543.

It is a super-2 number, since 2×3453378² = 23851639221768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15375 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^3453378 is an apocalyptic number.

3453378 is an abundant number, since it is smaller than the sum of its proper divisors (3804222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3453378 is a wasteful number, since it uses less digits than its factorization.

3453378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 30240, while the sum is 33.

The square root of 3453378 is about 1858.3266666547. The cubic root of 3453378 is about 151.1522812098.

The spelling of 3453378 in words is "three million, four hundred fifty-three thousand, three hundred seventy-eight".