1481620 has 48 divisors (see below), whose sum is σ = 3749760. Its totient is φ = 480384.

The previous prime is 1481611. The next prime is 1481663. The reversal of 1481620 is 261841.

It is a junction number, because it is equal to n+sod(n) for n = 1481591 and 1481600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2382 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (78120).

2^1481620 is an apocalyptic number.

1481620 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 1481620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874880).

1481620 is an abundant number, since it is smaller than the sum of its proper divisors (2268140).

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

1481620 is a wasteful number, since it uses less digits than its factorization.

1481620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1481620 is about 1217.2181398583. The cubic root of 1481620 is about 114.0019492844.

The spelling of 1481620 in words is "one million, four hundred eighty-one thousand, six hundred twenty".