6473887 has 4 divisors (see below), whose sum is σ = 7398736. Its totient is φ = 5549040.

The previous prime is 6473881. The next prime is 6473891. The reversal of 6473887 is 7883746.

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

It is not a de Polignac number, because 6473887 - 2¹⁵ = 6441119 is a prime.

It is a super-2 number, since 2×6473887² = 83822425777538, which contains 22 as substring.

It is a Duffinian number.

6473887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6473881) 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, 462414 + ... + 462427.

It is an arithmetic number, because the mean of its divisors is an integer number (1849684).

Almost surely, 2^6473887 is an apocalyptic number.

6473887 is a deficient number, since it is larger than the sum of its proper divisors (924849).

6473887 is an equidigital number, since it uses as much as digits as its factorization.

6473887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924848.

The product of its digits is 225792, while the sum is 43.

The square root of 6473887 is about 2544.3834223639. The cubic root of 6473887 is about 186.3753068747.

The spelling of 6473887 in words is "six million, four hundred seventy-three thousand, eight hundred eighty-seven".