1426945 has 16 divisors (see below), whose sum is σ = 1910160. Its totient is φ = 1016064.

The previous prime is 1426939. The next prime is 1426949. The reversal of 1426945 is 5496241.

It can be written as a sum of positive squares in 8 ways, for example, as 53361 + 1373584 = 231^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426945 - 2⁵ = 1426913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426949) 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, 1507 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (119385).

2^1426945 is an apocalyptic number.

It is an amenable number.

1426945 is a deficient number, since it is larger than the sum of its proper divisors (483215).

1426945 is a wasteful number, since it uses less digits than its factorization.

1426945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804.

The product of its digits is 8640, while the sum is 31.

The square root of 1426945 is about 1194.5480316840. The cubic root of 1426945 is about 112.5820307068.

The spelling of 1426945 in words is "one million, four hundred twenty-six thousand, nine hundred forty-five".