4064785 has 24 divisors (see below), whose sum is σ = 5415480. Its totient is φ = 2924544.

The previous prime is 4064741. The next prime is 4064807. The reversal of 4064785 is 5874604.

4064785 = T₁ + T₂ + ... + T₂₈₉.

4064785 is a nontrivial binomial coefficient, being equal to C(291, 3).

It can be written as a sum of positive squares in 12 ways, for example, as 132496 + 3932289 = 364^2 + 1983^2 .

It is not a de Polignac number, because 4064785 - 2²¹ = 1967633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4064785.

It is an unprimeable number.

It is the 289-th tetrahedral number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41857 + ... + 41953.

It is an arithmetic number, because the mean of its divisors is an integer number (225645).

Almost surely, 2^4064785 is an apocalyptic number.

It is an amenable number.

4064785 is a deficient number, since it is larger than the sum of its proper divisors (1350695).

4064785 is a wasteful number, since it uses less digits than its factorization.

4064785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 4064785 is about 2016.1311961279. The cubic root of 4064785 is about 159.5925178076.

The spelling of 4064785 in words is "four million, sixty-four thousand, seven hundred eighty-five".