3320778 has 8 divisors (see below), whose sum is σ = 6641568. Its totient is φ = 1106924.

The previous prime is 3320777. The next prime is 3320791. The reversal of 3320778 is 8770233.

It is a sphenic number, since it is the product of 3 distinct primes.

3320778 is an admirable number.

It is a super-2 number, since 2×3320778² = 22055133050568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3320771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276726 + ... + 276737.

It is an arithmetic number, because the mean of its divisors is an integer number (830196).

Almost surely, 2^3320778 is an apocalyptic number.

3320778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3320778 is a wasteful number, since it uses less digits than its factorization.

3320778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553468.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 3320778 is about 1822.3001948087. The cubic root of 3320778 is about 149.1923704791.

The spelling of 3320778 in words is "three million, three hundred twenty thousand, seven hundred seventy-eight".