873481 has 4 divisors (see below), whose sum is σ = 998272. Its totient is φ = 748692.

The previous prime is 873469. The next prime is 873497. The reversal of 873481 is 184378.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184378 = 2 ⋅92189.

It is not a de Polignac number, because 873481 - 2¹⁵ = 840713 is a prime.

It is a super-2 number, since 2×873481² = 1525938114722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

873481 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (873421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62385 + ... + 62398.

It is an arithmetic number, because the mean of its divisors is an integer number (249568).

2⁸⁷³⁴⁸¹ is an apocalyptic number.

It is an amenable number.

873481 is a deficient number, since it is larger than the sum of its proper divisors (124791).

873481 is a wasteful number, since it uses less digits than its factorization.

873481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124790.

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

The square root of 873481 is about 934.6020543525. The cubic root of 873481 is about 95.5911796044.

The spelling of 873481 in words is "eight hundred seventy-three thousand, four hundred eighty-one".