1442661 has 8 divisors (see below), whose sum is σ = 2098464. Its totient is φ = 874320.

The previous prime is 1442657. The next prime is 1442669. The reversal of 1442661 is 1662441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442661 - 2² = 1442657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21826 + ... + 21891.

It is an arithmetic number, because the mean of its divisors is an integer number (262308).

2^1442661 is an apocalyptic number.

1442661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442661 is a deficient number, since it is larger than the sum of its proper divisors (655803).

1442661 is a wasteful number, since it uses less digits than its factorization.

1442661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43731.

The product of its digits is 1152, while the sum is 24.

The square root of 1442661 is about 1201.1082382533. The cubic root of 1442661 is about 112.9938389102.

The spelling of 1442661 in words is "one million, four hundred forty-two thousand, six hundred sixty-one".