28853747 has 16 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 25702272.

The previous prime is 28853729. The next prime is 28853749. The reversal of 28853747 is 74735882.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-28853747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28853698 and 28853707.

It is not an unprimeable number, because it can be changed into a prime (28853749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107129 + ... + 107397.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^28853747 is an apocalyptic number.

28853747 is a deficient number, since it is larger than the sum of its proper divisors (3321613).

28853747 is a wasteful number, since it uses less digits than its factorization.

28853747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 376320, while the sum is 44.

The square root of 28853747 is about 5371.5683929370. The cubic root of 28853747 is about 306.7143342464.

The spelling of 28853747 in words is "twenty-eight million, eight hundred fifty-three thousand, seven hundred forty-seven".