3378243 has 16 divisors (see below), whose sum is σ = 4951296. Its totient is φ = 2031840.

The previous prime is 3378229. The next prime is 3378253. The reversal of 3378243 is 3428733.

It is a Cunningham number, because it is equal to 1838²-1.

It is not a de Polignac number, because 3378243 - 2¹³ = 3370051 is a prime.

It is a super-2 number, since 2×3378243² = 22825051534098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3378243.

It is not an unprimeable number, because it can be changed into a prime (3378203) 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, 5205 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (309456).

Almost surely, 2^3378243 is an apocalyptic number.

3378243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3378243 is a deficient number, since it is larger than the sum of its proper divisors (1573053).

3378243 is a wasteful number, since it uses less digits than its factorization.

3378243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794.

The product of its digits is 12096, while the sum is 30.

The square root of 3378243 is about 1837.9997279652. Note that the first 3 decimals coincide. The cubic root of 3378243 is about 150.0480290642.

The spelling of 3378243 in words is "three million, three hundred seventy-eight thousand, two hundred forty-three".