1433664 has 84 divisors (see below), whose sum is σ = 4358640. Its totient is φ = 449280.

The previous prime is 1433633. The next prime is 1433669. The reversal of 1433664 is 4663341.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1433669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10879 + ... + 11009.

2^1433664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1433664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2179320).

1433664 is an abundant number, since it is smaller than the sum of its proper divisors (2924976).

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

1433664 is a wasteful number, since it uses less digits than its factorization.

1433664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 155 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1433664 is about 1197.3570895936. The cubic root of 1433664 is about 112.7584576163.

It can be divided in two parts, 14336 and 64, that added together give a square (14400 = 120²).

The spelling of 1433664 in words is "one million, four hundred thirty-three thousand, six hundred sixty-four".