4064481 has 6 divisors (see below), whose sum is σ = 5870930. Its totient is φ = 2709648.

The previous prime is 4064477. The next prime is 4064509. The reversal of 4064481 is 1844604.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 225 = 2016^2 + 15^2 .

It is not a de Polignac number, because 4064481 - 2² = 4064477 is a prime.

It is a super-2 number, since 2×4064481² = 33040011598722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4064681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225796 + ... + 225813.

Almost surely, 2^4064481 is an apocalyptic number.

It is an amenable number.

4064481 is a deficient number, since it is larger than the sum of its proper divisors (1806449).

4064481 is a wasteful number, since it uses less digits than its factorization.

4064481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451615 (or 451612 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4064481 is about 2016.0558027991. The cubic root of 4064481 is about 159.5885391359.

The spelling of 4064481 in words is "four million, sixty-four thousand, four hundred eighty-one".