1426680 has 64 divisors (see below), whose sum is σ = 4759200. Its totient is φ = 380160.

The previous prime is 1426673. The next prime is 1426693. The reversal of 1426680 is 866241.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 420 + ... + 1740.

2^1426680 is an apocalyptic number.

1426680 is a gapful number since it is divisible by the number (10) 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 1426680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379600).

1426680 is an abundant number, since it is smaller than the sum of its proper divisors (3332520).

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

1426680 is a wasteful number, since it uses less digits than its factorization.

1426680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1426680 is about 1194.4371059206. The cubic root of 1426680 is about 112.5750610186.

The spelling of 1426680 in words is "one million, four hundred twenty-six thousand, six hundred eighty".