1426785 has 16 divisors (see below), whose sum is σ = 2315904. Its totient is φ = 749952.

The previous prime is 1426781. The next prime is 1426801. The reversal of 1426785 is 5876241.

It is not a de Polignac number, because 1426785 - 2² = 1426781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444 + ... + 1746.

It is an arithmetic number, because the mean of its divisors is an integer number (144744).

2^1426785 is an apocalyptic number.

1426785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1426785 is a deficient number, since it is larger than the sum of its proper divisors (889119).

1426785 is a wasteful number, since it uses less digits than its factorization.

1426785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its digits is 13440, while the sum is 33.

The square root of 1426785 is about 1194.4810588703. The cubic root of 1426785 is about 112.5778226964.

It can be divided in two parts, 1426 and 785, that added together give a triangular number (2211 = T₆₆).

The spelling of 1426785 in words is "one million, four hundred twenty-six thousand, seven hundred eighty-five".