28353801 has 12 divisors (see below), whose sum is σ = 43977552. Its totient is φ = 16202088.

The previous prime is 28353751. The next prime is 28353817. The reversal of 28353801 is 10835382.

It is a happy number.

It is not a de Polignac number, because 28353801 - 2⁹ = 28353289 is a prime.

It is a super-2 number, since 2×28353801² = 1607876062295202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28353881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96295 + ... + 96588.

It is an arithmetic number, because the mean of its divisors is an integer number (3664796).

Almost surely, 2^28353801 is an apocalyptic number.

28353801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28353801 is a deficient number, since it is larger than the sum of its proper divisors (15623751).

28353801 is a wasteful number, since it uses less digits than its factorization.

28353801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192900 (or 192893 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 28353801 is about 5324.8287296400. The cubic root of 28353801 is about 304.9325336755.

The spelling of 28353801 in words is "twenty-eight million, three hundred fifty-three thousand, eight hundred one".