433728493 has 12 divisors (see below), whose sum is σ = 479689504. Its totient is φ = 391861800.

The previous prime is 433728469. The next prime is 433728583. The reversal of 433728493 is 394827334.

It is not a de Polignac number, because 433728493 - 2⁵ = 433728461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433728413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8728 + ... + 30718.

Almost surely, 2^433728493 is an apocalyptic number.

It is an amenable number.

433728493 is a deficient number, since it is larger than the sum of its proper divisors (45961011).

433728493 is a wasteful number, since it uses less digits than its factorization.

433728493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22176 (or 22165 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 433728493 is about 20826.1492600048. The cubic root of 433728493 is about 756.9595126405.

The spelling of 433728493 in words is "four hundred thirty-three million, seven hundred twenty-eight thousand, four hundred ninety-three".