1879812 has 72 divisors (see below), whose sum is σ = 5346432. Its totient is φ = 552000.

The previous prime is 1879811. The next prime is 1879817. The reversal of 1879812 is 2189781.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1879811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18562 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

2^1879812 is an apocalyptic number.

1879812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1879812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673216).

1879812 is an abundant number, since it is smaller than the sum of its proper divisors (3466620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1879812 is a wasteful number, since it uses less digits than its factorization.

1879812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 1879812 is about 1371.0623618202. The cubic root of 1879812 is about 123.4160017145.

Adding to 1879812 its product of digits (8064), we get a square (1887876 = 1374²).

It can be divided in two parts, 187 and 9812, that added together give a palindrome (9999).

The spelling of 1879812 in words is "one million, eight hundred seventy-nine thousand, eight hundred twelve".