3394778 has 4 divisors (see below), whose sum is σ = 5092170. Its totient is φ = 1697388.

The previous prime is 3394771. The next prime is 3394799. The reversal of 3394778 is 8774933.

Added to its reverse (8774933) it gives a triangular number (12169711 = T₄₉₃₃).

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., 2866249 + 528529 = 1693^2 + 727^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3394771) 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 as a sum of consecutive naturals, namely, 848693 + ... + 848696.

Almost surely, 2^3394778 is an apocalyptic number.

3394778 is a deficient number, since it is larger than the sum of its proper divisors (1697392).

3394778 is a wasteful number, since it uses less digits than its factorization.

3394778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697391.

The product of its digits is 127008, while the sum is 41.

The square root of 3394778 is about 1842.4923337697. The cubic root of 3394778 is about 150.2924369079.

Adding to 3394778 its reverse (8774933), we get a triangular number (12169711 = T₄₉₃₃).

The spelling of 3394778 in words is "three million, three hundred ninety-four thousand, seven hundred seventy-eight".