4076778 has 8 divisors (see below), whose sum is σ = 8153568. Its totient is φ = 1358924.

The previous prime is 4076777. The next prime is 4076783. The reversal of 4076778 is 8776704.

It is a happy number.

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

4076778 is an admirable number.

It is a super-2 number, since 2×4076778² = 33240237722568, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4076777) 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 in 3 ways as a sum of consecutive naturals, for example, 339726 + ... + 339737.

It is an arithmetic number, because the mean of its divisors is an integer number (1019196).

Almost surely, 2^4076778 is an apocalyptic number.

4076778 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.

4076778 is a wasteful number, since it uses less digits than its factorization.

4076778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679468.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 4076778 is about 2019.1032663041. The cubic root of 4076778 is about 159.7493209970.

The spelling of 4076778 in words is "four million, seventy-six thousand, seven hundred seventy-eight".