28436528 has 20 divisors (see below), whose sum is σ = 55308960. Its totient is φ = 14163264.

The previous prime is 28436519. The next prime is 28436537. The reversal of 28436528 is 82563482.

It is an interprime number because it is at equal distance from previous prime (28436519) and next prime (28436537).

It is a super-2 number, since 2×28436528² = 1617272249389568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28436491 and 28436500.

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, 1001 + ... + 7607.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 2^28436528 is an apocalyptic number.

It is an amenable number.

28436528 is a deficient number, since it is larger than the sum of its proper divisors (26872432).

28436528 is a wasteful number, since it uses less digits than its factorization.

28436528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884 (or 6878 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 28436528 is about 5332.5911150209. The cubic root of 28436528 is about 305.2288097615.

The spelling of 28436528 in words is "twenty-eight million, four hundred thirty-six thousand, five hundred twenty-eight".