1442688 has 96 divisors (see below), whose sum is σ = 4383960. Its totient is φ = 417792.

The previous prime is 1442669. The next prime is 1442717. The reversal of 1442688 is 8862441.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (12288) is a multiple of the sum of its prime factors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84856 + ... + 84872.

2^1442688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2191980).

1442688 is an abundant number, since it is smaller than the sum of its proper divisors (2941272).

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

1442688 is a wasteful number, since it uses less digits than its factorization.

1442688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 35 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1442688 is about 1201.1194778206. The cubic root of 1442688 is about 112.9945438147.

The spelling of 1442688 in words is "one million, four hundred forty-two thousand, six hundred eighty-eight".