874945 has 4 divisors (see below), whose sum is σ = 1049940. Its totient is φ = 699952.

The previous prime is 874919. The next prime is 874957. The reversal of 874945 is 549478.

874945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549478 = 2 ⋅274739.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 331776 = 737^2 + 576^2 .

It is a cyclic number.

It is not a de Polignac number, because 874945 - 2¹⁹ = 350657 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87490 + ... + 87499.

It is an arithmetic number, because the mean of its divisors is an integer number (262485).

2⁸⁷⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

874945 is a deficient number, since it is larger than the sum of its proper divisors (174995).

874945 is a wasteful number, since it uses less digits than its factorization.

874945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174994.

The product of its digits is 40320, while the sum is 37.

The square root of 874945 is about 935.3849474949. The cubic root of 874945 is about 95.6445550735.

The spelling of 874945 in words is "eight hundred seventy-four thousand, nine hundred forty-five".