1426635 has 36 divisors (see below), whose sum is σ = 2881008. Its totient is φ = 651168.

The previous prime is 1426627. The next prime is 1426643. The reversal of 1426635 is 5366241.

1426635 is a `hidden beast` number, since 1 + 4 + 26 + 635 = 666.

It is an interprime number because it is at equal distance from previous prime (1426627) and next prime (1426643).

It is not a de Polignac number, because 1426635 - 2³ = 1426627 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1426599 and 1426608.

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 35 ways as a sum of consecutive naturals, for example, 1882 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (80028).

2^1426635 is an apocalyptic number.

1426635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1426635 is an abundant number, since it is smaller than the sum of its proper divisors (1454373).

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

1426635 is a wasteful number, since it uses less digits than its factorization.

1426635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 662 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1426635 is about 1194.4182684470. The cubic root of 1426635 is about 112.5738774009.

The spelling of 1426635 in words is "one million, four hundred twenty-six thousand, six hundred thirty-five".