1442860 has 24 divisors (see below), whose sum is σ = 3190320. Its totient is φ = 546624.

The previous prime is 1442849. The next prime is 1442863. The reversal of 1442860 is 682441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442863) by changing a digit.

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, 1519 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (132930).

2^1442860 is an apocalyptic number.

1442860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442860 is the 760-th heptagonal number.

It is an amenable number.

1442860 is an abundant number, since it is smaller than the sum of its proper divisors (1747460).

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

1442860 is a wasteful number, since it uses less digits than its factorization.

1442860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1442860 is about 1201.1910755579. The cubic root of 1442860 is about 112.9990341108. Note that the first 3 decimals are identical.

The spelling of 1442860 in words is "one million, four hundred forty-two thousand, eight hundred sixty".