28432035 has 24 divisors (see below), whose sum is σ = 50983920. Its totient is φ = 14640192.

The previous prime is 28432013. The next prime is 28432057. The reversal of 28432035 is 53023482.

It is an interprime number because it is at equal distance from previous prime (28432013) and next prime (28432057).

It is not a de Polignac number, because 28432035 - 2⁶ = 28431971 is a prime.

It is a super-2 number, since 2×28432035² = 1616761228482450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9589 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (2124330).

Almost surely, 2^28432035 is an apocalyptic number.

28432035 is a deficient number, since it is larger than the sum of its proper divisors (22551885).

28432035 is a wasteful number, since it uses less digits than its factorization.

28432035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21827 (or 21824 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 28432035 is about 5332.1698210016. The cubic root of 28432035 is about 305.2127334286.

The spelling of 28432035 in words is "twenty-eight million, four hundred thirty-two thousand, thirty-five".