945987 has 16 divisors (see below), whose sum is σ = 1458432. Its totient is φ = 534240.

The previous prime is 945983. The next prime is 946003. The reversal of 945987 is 789549.

It is not a de Polignac number, because 945987 - 2² = 945983 is a prime.

945987 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945987.

It is not an unprimeable number, because it can be changed into a prime (945983) 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, 2037 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (91152).

2⁹⁴⁵⁹⁸⁷ is an apocalyptic number.

945987 is a deficient number, since it is larger than the sum of its proper divisors (512445).

945987 is a wasteful number, since it uses less digits than its factorization.

945987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 90720, while the sum is 42.

The square root of 945987 is about 972.6186302966. The cubic root of 945987 is about 98.1661418886.

The spelling of 945987 in words is "nine hundred forty-five thousand, nine hundred eighty-seven".