1420432 has 20 divisors (see below), whose sum is σ = 2964220. Its totient is φ = 655488.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420432 is 2340241.

It can be written as a sum of positive squares in 2 ways, for example, as 467856 + 952576 = 684^2 + 976^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207 + ... + 3622.

It is an arithmetic number, because the mean of its divisors is an integer number (148211).

2^1420432 is an apocalyptic number.

It is an amenable number.

1420432 is an abundant number, since it is smaller than the sum of its proper divisors (1543788).

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

1420432 is a wasteful number, since it uses less digits than its factorization.

1420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1420432 is about 1191.8187781706. The cubic root of 1420432 is about 112.4104835230.

Adding to 1420432 its reverse (2340241), we get a palindrome (3760673).

The spelling of 1420432 in words is "one million, four hundred twenty thousand, four hundred thirty-two".