3800778 has 8 divisors (see below), whose sum is σ = 7601568. Its totient is φ = 1266924.

The previous prime is 3800777. The next prime is 3800801. The reversal of 3800778 is 8770083.

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

3800778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3800777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316726 + ... + 316737.

It is an arithmetic number, because the mean of its divisors is an integer number (950196).

Almost surely, 2^3800778 is an apocalyptic number.

3800778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3800778 is a wasteful number, since it uses less digits than its factorization.

3800778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633468.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 3800778 is about 1949.5584115384. The cubic root of 3800778 is about 156.0597240090.

The spelling of 3800778 in words is "three million, eight hundred thousand, seven hundred seventy-eight".