874247 has 16 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 728640.

The previous prime is 874229. The next prime is 874249. The reversal of 874247 is 742478.

It is not a de Polignac number, because 874247 - 2⁸ = 873991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9779 + ... + 9867.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2⁸⁷⁴²⁴⁷ is an apocalyptic number.

874247 is a deficient number, since it is larger than the sum of its proper divisors (162553).

874247 is a wasteful number, since it uses less digits than its factorization.

874247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166.

The product of its digits is 12544, while the sum is 32.

The square root of 874247 is about 935.0117646319. The cubic root of 874247 is about 95.6191143657.

Subtracting from 874247 its reverse (742478), we obtain a square (131769 = 363²).

It can be divided in two parts, 87 and 4247, that added together give a palindrome (4334).

The spelling of 874247 in words is "eight hundred seventy-four thousand, two hundred forty-seven".