428188295 has 16 divisors (see below), whose sum is σ = 521717760. Its totient is φ = 337313184.

The previous prime is 428188273. The next prime is 428188331. The reversal of 428188295 is 592881824.

It is a cyclic number.

It is not a de Polignac number, because 428188295 - 2¹⁰ = 428187271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173762 + ... + 176208.

It is an arithmetic number, because the mean of its divisors is an integer number (32607360).

Almost surely, 2^428188295 is an apocalyptic number.

428188295 is a deficient number, since it is larger than the sum of its proper divisors (93529465).

428188295 is a wasteful number, since it uses less digits than its factorization.

428188295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974.

The product of its digits is 368640, while the sum is 47.

The square root of 428188295 is about 20692.7111563468. The cubic root of 428188295 is about 753.7227032533.

The spelling of 428188295 in words is "four hundred twenty-eight million, one hundred eighty-eight thousand, two hundred ninety-five".