1433220 has 24 divisors (see below), whose sum is σ = 4013184. Its totient is φ = 382176.

The previous prime is 1433213. The next prime is 1433239. The reversal of 1433220 is 223341.

1433220 = T₂₅ + T₂₆ + ... + T₂₀₄.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1433220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11884 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (167216).

2^1433220 is an apocalyptic number.

1433220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1433220 is an abundant number, since it is smaller than the sum of its proper divisors (2579964).

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

1433220 is a wasteful number, since it uses less digits than its factorization.

1433220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23899 (or 23897 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1433220 is about 1197.1716668883. The cubic root of 1433220 is about 112.7468161335.

Adding to 1433220 its reverse (223341), we get a palindrome (1656561).

It can be divided in two parts, 1433 and 220, that added together give a triangular number (1653 = T₅₇).

The spelling of 1433220 in words is "one million, four hundred thirty-three thousand, two hundred twenty".