3378809 has 4 divisors (see below), whose sum is σ = 3861504. Its totient is φ = 2896116.

The previous prime is 3378799. The next prime is 3378839. The reversal of 3378809 is 9088733.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3378809 is a prime.

It is a super-2 number, since 2×3378809² = 22832700516962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3378839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241337 + ... + 241350.

It is an arithmetic number, because the mean of its divisors is an integer number (965376).

Almost surely, 2^3378809 is an apocalyptic number.

It is an amenable number.

3378809 is a deficient number, since it is larger than the sum of its proper divisors (482695).

3378809 is an equidigital number, since it uses as much as digits as its factorization.

3378809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482694.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3378809 is about 1838.1536932477. The cubic root of 3378809 is about 150.0564084142.

The spelling of 3378809 in words is "three million, three hundred seventy-eight thousand, eight hundred nine".