887649 has 16 divisors (see below), whose sum is σ = 1385472. Its totient is φ = 494928.

The previous prime is 887641. The next prime is 887651. The reversal of 887649 is 946788.

It is a happy number.

887649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 887649 - 2³ = 887641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 887649.

It is not an unprimeable number, because it can be changed into a prime (887641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (86592).

2⁸⁸⁷⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

887649 is a deficient number, since it is larger than the sum of its proper divisors (497823).

887649 is a wasteful number, since it uses less digits than its factorization.

887649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036.

The product of its digits is 96768, while the sum is 42.

The square root of 887649 is about 942.1512617409. The cubic root of 887649 is about 96.1052448210.

The spelling of 887649 in words is "eight hundred eighty-seven thousand, six hundred forty-nine".