1426740 has 96 divisors (see below), whose sum is σ = 4730880. Its totient is φ = 314496.

The previous prime is 1426723. The next prime is 1426741. The reversal of 1426740 is 476241.

It is a self number, because there is not a number n which added to its sum of digits gives 1426740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18021 + ... + 18099.

It is an arithmetic number, because the mean of its divisors is an integer number (49280).

2^1426740 is an apocalyptic number.

1426740 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 1426740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365440).

1426740 is an abundant number, since it is smaller than the sum of its proper divisors (3304140).

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

1426740 is a wasteful number, since it uses less digits than its factorization.

1426740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1426740 is about 1194.4622220899. The cubic root of 1426740 is about 112.5766391368.

The spelling of 1426740 in words is "one million, four hundred twenty-six thousand, seven hundred forty".