428293533 has 8 divisors (see below), whose sum is σ = 571756896. Its totient is φ = 285179600.

The previous prime is 428293507. The next prime is 428293553. The reversal of 428293533 is 335392824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428293533 - 2¹⁴ = 428277149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428293491 and 428293500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428293553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84483 + ... + 89408.

It is an arithmetic number, because the mean of its divisors is an integer number (71469612).

Almost surely, 2^428293533 is an apocalyptic number.

It is an amenable number.

428293533 is a deficient number, since it is larger than the sum of its proper divisors (143463363).

428293533 is a wasteful number, since it uses less digits than its factorization.

428293533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174715.

The product of its digits is 155520, while the sum is 39.

The square root of 428293533 is about 20695.2538761910. The cubic root of 428293533 is about 753.7844469405.

The spelling of 428293533 in words is "four hundred twenty-eight million, two hundred ninety-three thousand, five hundred thirty-three".