28614901 has 4 divisors (see below), whose sum is σ = 32702752. Its totient is φ = 24527052.

The previous prime is 28614853. The next prime is 28614913. The reversal of 28614901 is 10941682.

It is a happy number.

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 28614901 - 2⁹ = 28614389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28614991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043915 + ... + 2043928.

It is an arithmetic number, because the mean of its divisors is an integer number (8175688).

Almost surely, 2^28614901 is an apocalyptic number.

It is an amenable number.

28614901 is a deficient number, since it is larger than the sum of its proper divisors (4087851).

28614901 is an equidigital number, since it uses as much as digits as its factorization.

28614901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087850.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 28614901 is about 5349.2897659409. The cubic root of 28614901 is about 305.8656800091.

The spelling of 28614901 in words is "twenty-eight million, six hundred fourteen thousand, nine hundred one".