4056487 has 4 divisors (see below), whose sum is σ = 4232880. Its totient is φ = 3880096.

The previous prime is 4056473. The next prime is 4056509. The reversal of 4056487 is 7846504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4056487 - 2⁷ = 4056359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88162 + ... + 88207.

It is an arithmetic number, because the mean of its divisors is an integer number (1058220).

Almost surely, 2^4056487 is an apocalyptic number.

4056487 is a deficient number, since it is larger than the sum of its proper divisors (176393).

4056487 is a wasteful number, since it uses less digits than its factorization.

4056487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176392.

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

The square root of 4056487 is about 2014.0722429943. The cubic root of 4056487 is about 159.4838444999.

The spelling of 4056487 in words is "four million, fifty-six thousand, four hundred eighty-seven".