8461887 has 8 divisors (see below), whose sum is σ = 12894336. Its totient is φ = 4835352.

The previous prime is 8461877. The next prime is 8461891. The reversal of 8461887 is 7881648.

8461887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8461887 - 2¹¹ = 8459839 is a prime.

8461887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201453 + ... + 201494.

It is an arithmetic number, because the mean of its divisors is an integer number (1611792).

Almost surely, 2^8461887 is an apocalyptic number.

8461887 is a deficient number, since it is larger than the sum of its proper divisors (4432449).

8461887 is a wasteful number, since it uses less digits than its factorization.

8461887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402957.

The product of its digits is 86016, while the sum is 42.

The square root of 8461887 is about 2908.9322783454. The cubic root of 8461887 is about 203.7772703660. Note that the first 3 decimals are identical.

The spelling of 8461887 in words is "eight million, four hundred sixty-one thousand, eight hundred eighty-seven".