1444641 has 8 divisors (see below), whose sum is σ = 2101344. Its totient is φ = 875520.

The previous prime is 1444633. The next prime is 1444649. The reversal of 1444641 is 1464441.

It is an interprime number because it is at equal distance from previous prime (1444633) and next prime (1444649).

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

It is not a de Polignac number, because 1444641 - 2³ = 1444633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444649) 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, 21856 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (262668).

2^1444641 is an apocalyptic number.

1444641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1444641 is a deficient number, since it is larger than the sum of its proper divisors (656703).

1444641 is a wasteful number, since it uses less digits than its factorization.

1444641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43791.

The product of its digits is 1536, while the sum is 24.

The square root of 1444641 is about 1201.9321944270. The cubic root of 1444641 is about 113.0455085970.

The spelling of 1444641 in words is "one million, four hundred forty-four thousand, six hundred forty-one".