2056487 has 4 divisors (see below), whose sum is σ = 2074800. Its totient is φ = 2038176.

The previous prime is 2056463. The next prime is 2056489. The reversal of 2056487 is 7846502.

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 2056487 - 2¹⁶ = 1990951 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 (2056489) 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, 8987 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (518700).

2^2056487 is an apocalyptic number.

2056487 is a deficient number, since it is larger than the sum of its proper divisors (18313).

2056487 is a wasteful number, since it uses less digits than its factorization.

2056487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2056487 is about 1434.0456757021. The cubic root of 2056487 is about 127.1672626153.

The spelling of 2056487 in words is "two million, fifty-six thousand, four hundred eighty-seven".