4064978 has 4 divisors (see below), whose sum is σ = 6097470. Its totient is φ = 2032488.

The previous prime is 4064971. The next prime is 4065001. The reversal of 4064978 is 8794604.

It is a happy number.

4064978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 3713329 + 351649 = 1927^2 + 593^2 .

It is a super-2 number, since 2×4064978² = 33048092280968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4064971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1016243 + ... + 1016246.

Almost surely, 2^4064978 is an apocalyptic number.

4064978 is a deficient number, since it is larger than the sum of its proper divisors (2032492).

4064978 is a wasteful number, since it uses less digits than its factorization.

4064978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032491.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4064978 is about 2016.1790595084. The cubic root of 4064978 is about 159.5950436377.

The spelling of 4064978 in words is "four million, sixty-four thousand, nine hundred seventy-eight".