1442441 has 24 divisors (see below), whose sum is σ = 1966272. Its totient is φ = 1029600.

The previous prime is 1442437. The next prime is 1442453.

1442441 = T₇₈ + T₇₉ + ... + T₂₀₈.

It is a happy number.

1442441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1442441 - 2² = 1442437 is a prime.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1442411) 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 23 ways as a sum of consecutive naturals, for example, 10946 + ... + 11076.

It is an arithmetic number, because the mean of its divisors is an integer number (81928).

2^1442441 is an apocalyptic number.

1442441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442441 is a deficient number, since it is larger than the sum of its proper divisors (523831).

1442441 is a wasteful number, since it uses less digits than its factorization.

1442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 162 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 1442441 is about 1201.0166526739. The cubic root of 1442441 is about 112.9880949162.

The spelling of 1442441 in words is "one million, four hundred forty-two thousand, four hundred forty-one".