1426816 has 32 divisors (see below), whose sum is σ = 2900880. Its totient is φ = 698880.

The previous prime is 1426811. The next prime is 1426847. The reversal of 1426816 is 6186241.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9010 + ... + 9166.

2^1426816 is an apocalyptic number.

1426816 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 1426816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450440).

1426816 is an abundant number, since it is smaller than the sum of its proper divisors (1474064).

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

1426816 is an equidigital number, since it uses as much as digits as its factorization.

1426816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 230 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1426816 is about 1194.4940351463. The cubic root of 1426816 is about 112.5786380230.

It can be divided in two parts, 142681 and 6, that multiplied together give a triangular number (856086 = T₁₃₀₈).

The spelling of 1426816 in words is "one million, four hundred twenty-six thousand, eight hundred sixteen".