28476018 has 12 divisors (see below), whose sum is σ = 61698078. Its totient is φ = 9492000.

The previous prime is 28475983. The next prime is 28476023. The reversal of 28476018 is 81067482.

28476018 is a `hidden beast` number, since 2 + 8 + 47 + 601 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22439169 + 6036849 = 4737^2 + 2457^2 .

It is a super-2 number, since 2×28476018² = 1621767202272648, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 790983 + ... + 791018.

Almost surely, 2^28476018 is an apocalyptic number.

28476018 is an abundant number, since it is smaller than the sum of its proper divisors (33222060).

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

28476018 is a wasteful number, since it uses less digits than its factorization.

28476018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582009 (or 1582006 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 28476018 is about 5336.2925332107. The cubic root of 28476018 is about 305.3700355166.

The spelling of 28476018 in words is "twenty-eight million, four hundred seventy-six thousand, eighteen".