428158088 has 16 divisors (see below), whose sum is σ = 830479500. Its totient is φ = 206696896.

The previous prime is 428158037. The next prime is 428158091. The reversal of 428158088 is 880851824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 387223684 + 40934404 = 19678^2 + 6398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922523 + ... + 922986.

Almost surely, 2^428158088 is an apocalyptic number.

It is an amenable number.

428158088 is a deficient number, since it is larger than the sum of its proper divisors (402321412).

428158088 is a wasteful number, since it uses less digits than its factorization.

428158088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845544 (or 1845540 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 44.

The square root of 428158088 is about 20691.9812487833. The cubic root of 428158088 is about 753.7049787791.

The spelling of 428158088 in words is "four hundred twenty-eight million, one hundred fifty-eight thousand, eighty-eight".