1879879 has 8 divisors (see below), whose sum is σ = 1994240. Its totient is φ = 1767096.

The previous prime is 1879873. The next prime is 1879897. The reversal of 1879879 is 9789781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1879879 - 2⁵ = 1879847 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1879873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794 + ... + 3400.

It is an arithmetic number, because the mean of its divisors is an integer number (249280).

2^1879879 is an apocalyptic number.

1879879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1879879 is a deficient number, since it is larger than the sum of its proper divisors (114361).

1879879 is a wasteful number, since it uses less digits than its factorization.

1879879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 254016, while the sum is 49.

The square root of 1879879 is about 1371.0867952103. The cubic root of 1879879 is about 123.4174679558.

It can be divided in two parts, 18 and 79879, that added together give a palindrome (79897).

The spelling of 1879879 in words is "one million, eight hundred seventy-nine thousand, eight hundred seventy-nine".