28835401 has 4 divisors (see below), whose sum is σ = 32954752. Its totient is φ = 24716052.

The previous prime is 28835357. The next prime is 28835431. The reversal of 28835401 is 10453882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28835401 - 2¹¹ = 28833353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28835431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059665 + ... + 2059678.

It is an arithmetic number, because the mean of its divisors is an integer number (8238688).

Almost surely, 2^28835401 is an apocalyptic number.

It is an amenable number.

28835401 is a deficient number, since it is larger than the sum of its proper divisors (4119351).

28835401 is an equidigital number, since it uses as much as digits as its factorization.

28835401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4119350.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28835401 is about 5369.8604264915. The cubic root of 28835401 is about 306.6493146819.

The spelling of 28835401 in words is "twenty-eight million, eight hundred thirty-five thousand, four hundred one".