3442778 has 8 divisors (see below), whose sum is σ = 5388768. Its totient is φ = 1646524.

The previous prime is 3442763. The next prime is 3442799. The reversal of 3442778 is 8772443.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37376 + ... + 37467.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^3442778 is an apocalyptic number.

3442778 is a deficient number, since it is larger than the sum of its proper divisors (1945990).

3442778 is a wasteful number, since it uses less digits than its factorization.

3442778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74868.

The product of its digits is 37632, while the sum is 35.

The square root of 3442778 is about 1855.4724465753. The cubic root of 3442778 is about 150.9974708288.

The spelling of 3442778 in words is "three million, four hundred forty-two thousand, seven hundred seventy-eight".