874138 has 16 divisors (see below), whose sum is σ = 1414656. Its totient is φ = 403920.

The previous prime is 874127. The next prime is 874151. The reversal of 874138 is 831478.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (88416).

2⁸⁷⁴¹³⁸ is an apocalyptic number.

874138 is a deficient number, since it is larger than the sum of its proper divisors (540518).

874138 is a wasteful number, since it uses less digits than its factorization.

874138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 5376, while the sum is 31.

The square root of 874138 is about 934.9534747783. The cubic root of 874138 is about 95.6151403108.

It can be divided in two parts, 87 and 4138, that added together give a square (4225 = 65²).

The spelling of 874138 in words is "eight hundred seventy-four thousand, one hundred thirty-eight".