1876820 has 48 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 645120.

The previous prime is 1876807. The next prime is 1876829. The reversal of 1876820 is 286781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1876829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2^1876820 is an apocalyptic number.

1876820 is a gapful number since it is divisible by the number (10) 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 1876820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2268000).

1876820 is an abundant number, since it is smaller than the sum of its proper divisors (2659180).

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

1876820 is a wasteful number, since it uses less digits than its factorization.

1876820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1876820 is about 1369.9708026086. The cubic root of 1876820 is about 123.3504886452.

It can be divided in two parts, 187 and 6820, that added together give a palindrome (7007).

The spelling of 1876820 in words is "one million, eight hundred seventy-six thousand, eight hundred twenty".