3345778 has 4 divisors (see below), whose sum is σ = 5018670. Its totient is φ = 1672888.

The previous prime is 3345763. The next prime is 3345781. The reversal of 3345778 is 8775433.

3345778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8775433 = 2347 ⋅3739.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 1014049 = 1527^2 + 1007^2 .

It is a super-2 number, since 2×3345778² = 22388460850568, which contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 836443 + ... + 836446.

Almost surely, 2^3345778 is an apocalyptic number.

3345778 is a deficient number, since it is larger than the sum of its proper divisors (1672892).

3345778 is a wasteful number, since it uses less digits than its factorization.

3345778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672891.

The product of its digits is 70560, while the sum is 37.

The square root of 3345778 is about 1829.1467956400. The cubic root of 3345778 is about 149.5658259801.

The spelling of 3345778 in words is "three million, three hundred forty-five thousand, seven hundred seventy-eight".