1426656 has 96 divisors (see below), whose sum is σ = 4693248. Its totient is φ = 368640.

The previous prime is 1426643. The next prime is 1426669. The reversal of 1426656 is 6566241.

It is an interprime number because it is at equal distance from previous prime (1426643) and next prime (1426669).

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

Its product of digits (8640) is a multiple of the sum of its prime divisors (216).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7296 + ... + 7488.

It is an arithmetic number, because the mean of its divisors is an integer number (48888).

2^1426656 is an apocalyptic number.

1426656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346624).

1426656 is an abundant number, since it is smaller than the sum of its proper divisors (3266592).

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

1426656 is a wasteful number, since it uses less digits than its factorization.

1426656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 216 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1426656 is about 1194.4270593050. The cubic root of 1426656 is about 112.5744297589.

The spelling of 1426656 in words is "one million, four hundred twenty-six thousand, six hundred fifty-six".