28424058 has 16 divisors (see below), whose sum is σ = 61221216. Its totient is φ = 8745840.

The previous prime is 28424041. The next prime is 28424107. The reversal of 28424058 is 85042482.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182128 + ... + 182283.

It is an arithmetic number, because the mean of its divisors is an integer number (3826326).

Almost surely, 2^28424058 is an apocalyptic number.

28424058 is an abundant number, since it is smaller than the sum of its proper divisors (32797158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28424058 is a wasteful number, since it uses less digits than its factorization.

28424058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364429.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 28424058 is about 5331.4217615942. The cubic root of 28424058 is about 305.1841868765.

It can be divided in two parts, 284 and 24058, that added together give a palindrome (24342).

The spelling of 28424058 in words is "twenty-eight million, four hundred twenty-four thousand, fifty-eight".