4056489 has 12 divisors (see below), whose sum is σ = 6204276. Its totient is φ = 2545152.

The previous prime is 4056473. The next prime is 4056509. The reversal of 4056489 is 9846504.

4056489 is a `hidden beast` number, since 4 + 0 + 5 + 648 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 2152089 = 1380^2 + 1467^2 .

It is not a de Polignac number, because 4056489 - 2⁴ = 4056473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4056419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13104 + ... + 13409.

It is an arithmetic number, because the mean of its divisors is an integer number (517023).

Almost surely, 2^4056489 is an apocalyptic number.

It is an amenable number.

4056489 is a deficient number, since it is larger than the sum of its proper divisors (2147787).

4056489 is a wasteful number, since it uses less digits than its factorization.

4056489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26536 (or 26533 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4056489 is about 2014.0727395007. The cubic root of 4056489 is about 159.4838707104.

The spelling of 4056489 in words is "four million, fifty-six thousand, four hundred eighty-nine".