428906255 has 16 divisors (see below), whose sum is σ = 526417920. Its totient is φ = 335326752.

The previous prime is 428906249. The next prime is 428906279. The reversal of 428906255 is 552609824.

It is a cyclic number.

It is not a de Polignac number, because 428906255 - 2⁴ = 428906239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299852 + ... + 301278.

It is an arithmetic number, because the mean of its divisors is an integer number (32901120).

Almost surely, 2^428906255 is an apocalyptic number.

428906255 is a deficient number, since it is larger than the sum of its proper divisors (97511665).

428906255 is a wasteful number, since it uses less digits than its factorization.

428906255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 428906255 is about 20710.0520279404. The cubic root of 428906255 is about 754.1437334310.

The spelling of 428906255 in words is "four hundred twenty-eight million, nine hundred six thousand, two hundred fifty-five".