2379820 has 24 divisors (see below), whose sum is σ = 5027904. Its totient is φ = 946176.

The previous prime is 2379809. The next prime is 2379851. The reversal of 2379820 is 289732.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4909 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (209496).

2^2379820 is an apocalyptic number.

2379820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2379820 is an abundant number, since it is smaller than the sum of its proper divisors (2648084).

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

2379820 is a wasteful number, since it uses less digits than its factorization.

2379820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2379820 is about 1542.6665226160. Note that the first 3 decimals coincide. The cubic root of 2379820 is about 133.5102789618.

The spelling of 2379820 in words is "two million, three hundred seventy-nine thousand, eight hundred twenty".