428476933 has 2 divisors, whose sum is σ = 428476934. Its totient is φ = 428476932.

The previous prime is 428476927. The next prime is 428476973. The reversal of 428476933 is 339674824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426752964 + 1723969 = 20658^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 428476933 - 2⁵ = 428476901 is a prime.

It is a super-2 number, since 2×428476933² = 367184964226172978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428476973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214238466 + 214238467.

It is an arithmetic number, because the mean of its divisors is an integer number (214238467).

Almost surely, 2^428476933 is an apocalyptic number.

It is an amenable number.

428476933 is a deficient number, since it is larger than the sum of its proper divisors (1).

428476933 is an equidigital number, since it uses as much as digits as its factorization.

428476933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The square root of 428476933 is about 20699.6843695743. The cubic root of 428476933 is about 753.8920245160.

The spelling of 428476933 in words is "four hundred twenty-eight million, four hundred seventy-six thousand, nine hundred thirty-three".