879387 has 4 divisors (see below), whose sum is σ = 1172520. Its totient is φ = 586256.

The previous prime is 879371. The next prime is 879391. The reversal of 879387 is 783978.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 879387 - 2⁴ = 879371 is a prime.

It is a D-number.

879387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (879287) 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, 146562 + ... + 146567.

It is an arithmetic number, because the mean of its divisors is an integer number (293130).

2⁸⁷⁹³⁸⁷ is an apocalyptic number.

879387 is a deficient number, since it is larger than the sum of its proper divisors (293133).

879387 is a wasteful number, since it uses less digits than its factorization.

879387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293132.

The product of its digits is 84672, while the sum is 42.

The square root of 879387 is about 937.7563649477. The cubic root of 879387 is about 95.8061409092.

The spelling of 879387 in words is "eight hundred seventy-nine thousand, three hundred eighty-seven".