1486820 has 24 divisors (see below), whose sum is σ = 3306744. Its totient is φ = 559616.

The previous prime is 1486813. The next prime is 1486829. The reversal of 1486820 is 286841.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 1136356 = 592^2 + 1066^2 .

It is not an unprimeable number, because it can be changed into a prime (1486829) 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, 1847 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (137781).

2^1486820 is an apocalyptic number.

1486820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1486820 is an abundant number, since it is smaller than the sum of its proper divisors (1819924).

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

1486820 is a wasteful number, since it uses less digits than its factorization.

1486820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1486820 is about 1219.3522870770. The cubic root of 1486820 is about 114.1351633704.

The spelling of 1486820 in words is "one million, four hundred eighty-six thousand, eight hundred twenty".