428933315 has 4 divisors (see below), whose sum is σ = 514719984. Its totient is φ = 343146648.

The previous prime is 428933269. The next prime is 428933317. The reversal of 428933315 is 513339824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428933315 - 2²⁴ = 412156099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428933317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42893327 + ... + 42893336.

It is an arithmetic number, because the mean of its divisors is an integer number (128679996).

Almost surely, 2^428933315 is an apocalyptic number.

428933315 is a deficient number, since it is larger than the sum of its proper divisors (85786669).

428933315 is an equidigital number, since it uses as much as digits as its factorization.

428933315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85786668.

The product of its digits is 77760, while the sum is 38.

The square root of 428933315 is about 20710.7053235760. The cubic root of 428933315 is about 754.1595929185.

The spelling of 428933315 in words is "four hundred twenty-eight million, nine hundred thirty-three thousand, three hundred fifteen".