28901763 has 24 divisors (see below), whose sum is σ = 45714240. Its totient is φ = 17450160.

The previous prime is 28901759. The next prime is 28901791. The reversal of 28901763 is 36710982.

It is not a de Polignac number, because 28901763 - 2² = 28901759 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28901063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43528 + ... + 44186.

It is an arithmetic number, because the mean of its divisors is an integer number (1904760).

Almost surely, 2^28901763 is an apocalyptic number.

28901763 is a deficient number, since it is larger than the sum of its proper divisors (16812477).

28901763 is a wasteful number, since it uses less digits than its factorization.

28901763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 28901763 is about 5376.0359931831. The cubic root of 28901763 is about 306.8843760988.

The spelling of 28901763 in words is "twenty-eight million, nine hundred one thousand, seven hundred sixty-three".