4059778 has 4 divisors (see below), whose sum is σ = 6089670. Its totient is φ = 2029888.

The previous prime is 4059763. The next prime is 4059817. The reversal of 4059778 is 8779504.

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., 3545689 + 514089 = 1883^2 + 717^2 .

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 self number, because there is not a number n which added to its sum of digits gives 4059778.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014943 + ... + 1014946.

Almost surely, 2^4059778 is an apocalyptic number.

4059778 is a deficient number, since it is larger than the sum of its proper divisors (2029892).

4059778 is a wasteful number, since it uses less digits than its factorization.

4059778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029891.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4059778 is about 2014.8890788329. The cubic root of 4059778 is about 159.5269622236.

The spelling of 4059778 in words is "four million, fifty-nine thousand, seven hundred seventy-eight".