987245 has 16 divisors (see below), whose sum is σ = 1377408. Its totient is φ = 665280.

The previous prime is 987227. The next prime is 987251. The reversal of 987245 is 542789.

It is a happy number.

987245 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 987245 - 2⁸ = 986989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987245.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2135 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (86088).

2⁹⁸⁷²⁴⁵ is an apocalyptic number.

It is an amenable number.

987245 is a deficient number, since it is larger than the sum of its proper divisors (390163).

987245 is a wasteful number, since it uses less digits than its factorization.

987245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

The product of its digits is 20160, while the sum is 35.

The square root of 987245 is about 993.6020330092. The cubic root of 987245 is about 99.5730127471.

The spelling of 987245 in words is "nine hundred eighty-seven thousand, two hundred forty-five".