1420326 has 24 divisors (see below), whose sum is σ = 3240120. Its totient is φ = 448416.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420326 is 6230241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1420299 and 1420308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1735 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (135005).

2^1420326 is an apocalyptic number.

1420326 is an abundant number, since it is smaller than the sum of its proper divisors (1819794).

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

1420326 is a wasteful number, since it uses less digits than its factorization.

1420326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1420326 is about 1191.7743074928. The cubic root of 1420326 is about 112.4076872357.

Adding to 1420326 its reverse (6230241), we get a palindrome (7650567).

The spelling of 1420326 in words is "one million, four hundred twenty thousand, three hundred twenty-six".