1426400 has 36 divisors (see below), whose sum is σ = 3484152. Its totient is φ = 570240.

The previous prime is 1426393. The next prime is 1426427. The reversal of 1426400 is 46241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (96782).

2^1426400 is an apocalyptic number.

1426400 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 1426400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1742076).

1426400 is an abundant number, since it is smaller than the sum of its proper divisors (2057752).

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

1426400 is a wasteful number, since it uses less digits than its factorization.

1426400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1426400 is about 1194.3198901467. The cubic root of 1426400 is about 112.5676958819.

The spelling of 1426400 in words is "one million, four hundred twenty-six thousand, four hundred".