3069778 has 4 divisors (see below), whose sum is σ = 4604670. Its totient is φ = 1534888.

The previous prime is 3069769. The next prime is 3069791. The reversal of 3069778 is 8779603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2199289 + 870489 = 1483^2 + 933^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3¹² + 0 + 6⁸ + 9 + 7⁴ + 7⁷ + 8⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 3069778.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 767443 + ... + 767446.

Almost surely, 2^3069778 is an apocalyptic number.

3069778 is a deficient number, since it is larger than the sum of its proper divisors (1534892).

3069778 is a wasteful number, since it uses less digits than its factorization.

3069778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534891.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3069778 is about 1752.0781946021. The cubic root of 3069778 is about 145.3345899975.

The spelling of 3069778 in words is "three million, sixty-nine thousand, seven hundred seventy-eight".