258836428 has 12 divisors (see below), whose sum is σ = 453344472. Its totient is φ = 129309440.

The previous prime is 258836401. The next prime is 258836467. The reversal of 258836428 is 824638852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21718 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (37778706).

Almost surely, 2^258836428 is an apocalyptic number.

It is an amenable number.

258836428 is a deficient number, since it is larger than the sum of its proper divisors (194508044).

258836428 is a wasteful number, since it uses less digits than its factorization.

258836428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54392 (or 54390 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 258836428 is about 16088.3942020327. The cubic root of 258836428 is about 637.2968902101.

The spelling of 258836428 in words is "two hundred fifty-eight million, eight hundred thirty-six thousand, four hundred twenty-eight".