486400687 has 4 divisors (see below), whose sum is σ = 488582080. Its totient is φ = 484219296.

The previous prime is 486400613. The next prime is 486400699. The reversal of 486400687 is 786004684.

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 486400687 - 2¹¹ = 486398639 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 (486400087) 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, 1090362 + ... + 1090807.

It is an arithmetic number, because the mean of its divisors is an integer number (122145520).

Almost surely, 2^486400687 is an apocalyptic number.

486400687 is a deficient number, since it is larger than the sum of its proper divisors (2181393).

486400687 is a wasteful number, since it uses less digits than its factorization.

486400687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181392.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 486400687 is about 22054.4935784071. The cubic root of 486400687 is about 786.4384282528.

The spelling of 486400687 in words is "four hundred eighty-six million, four hundred thousand, six hundred eighty-seven".