1426538 has 8 divisors (see below), whose sum is σ = 2265732. Its totient is φ = 671296.

The previous prime is 1426519. The next prime is 1426541. The reversal of 1426538 is 8356241.

It can be written as a sum of positive squares in 2 ways, for example, as 1385329 + 41209 = 1177^2 + 203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1426538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20945 + ... + 21012.

2^1426538 is an apocalyptic number.

1426538 is a deficient number, since it is larger than the sum of its proper divisors (839194).

1426538 is a wasteful number, since it uses less digits than its factorization.

1426538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41976.

The product of its digits is 5760, while the sum is 29.

The square root of 1426538 is about 1194.3776622158. The cubic root of 1426538 is about 112.5713259626.

The spelling of 1426538 in words is "one million, four hundred twenty-six thousand, five hundred thirty-eight".