1442679 has 8 divisors (see below), whose sum is σ = 2198400. Its totient is φ = 824376.

The previous prime is 1442669. The next prime is 1442717. The reversal of 1442679 is 9762441.

It is a happy number.

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

It is not a de Polignac number, because 1442679 - 2¹² = 1438583 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34329 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (274800).

2^1442679 is an apocalyptic number.

1442679 is a deficient number, since it is larger than the sum of its proper divisors (755721).

1442679 is an equidigital number, since it uses as much as digits as its factorization.

1442679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68709.

The product of its digits is 12096, while the sum is 33.

The square root of 1442679 is about 1201.1157313099. The cubic root of 1442679 is about 112.9943088475.

The spelling of 1442679 in words is "one million, four hundred forty-two thousand, six hundred seventy-nine".