1420446 has 16 divisors (see below), whose sum is σ = 2888208. Its totient is φ = 465600.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420446 is 6440241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575 + ... + 2306.

It is an arithmetic number, because the mean of its divisors is an integer number (180513).

2^1420446 is an apocalyptic number.

1420446 is an abundant number, since it is smaller than the sum of its proper divisors (1467762).

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

1420446 is a wasteful number, since it uses less digits than its factorization.

1420446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1420446 is about 1191.8246515323. The cubic root of 1420446 is about 112.4108528335.

Adding to 1420446 its reverse (6440241), we get a palindrome (7860687).

The spelling of 1420446 in words is "one million, four hundred twenty thousand, four hundred forty-six".