3846778 has 24 divisors (see below), whose sum is σ = 6588000. Its totient is φ = 1679184.

The previous prime is 3846769. The next prime is 3846833. The reversal of 3846778 is 8776483.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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 in 11 ways as a sum of consecutive naturals, for example, 6123 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (274500).

Almost surely, 2^3846778 is an apocalyptic number.

3846778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3846778 is a deficient number, since it is larger than the sum of its proper divisors (2741222).

3846778 is a wasteful number, since it uses less digits than its factorization.

3846778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 633 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 3846778 is about 1961.3204735586. The cubic root of 3846778 is about 156.6867868128.

It can be divided in two parts, 3846 and 778, that added together give a square (4624 = 68²).

The spelling of 3846778 in words is "three million, eight hundred forty-six thousand, seven hundred seventy-eight".