28148826 has 16 divisors (see below), whose sum is σ = 58745664. Its totient is φ = 8974944.

The previous prime is 28148819. The next prime is 28148863. The reversal of 28148826 is 62884182.

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, 101851 + ... + 102126.

It is an arithmetic number, because the mean of its divisors is an integer number (3671604).

Almost surely, 2^28148826 is an apocalyptic number.

28148826 is an abundant number, since it is smaller than the sum of its proper divisors (30596838).

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

28148826 is a wasteful number, since it uses less digits than its factorization.

28148826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204005.

The product of its digits is 49152, while the sum is 39.

The square root of 28148826 is about 5305.5467201788. The cubic root of 28148826 is about 304.1959508262.

The spelling of 28148826 in words is "twenty-eight million, one hundred forty-eight thousand, eight hundred twenty-six".