28323701 has 8 divisors (see below), whose sum is σ = 32565120. Its totient is φ = 24131088.

The previous prime is 28323689. The next prime is 28323727. The reversal of 28323701 is 10732382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28323701 - 2⁶ = 28323637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28323731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10946 + ... + 13283.

It is an arithmetic number, because the mean of its divisors is an integer number (4070640).

Almost surely, 2^28323701 is an apocalyptic number.

It is an amenable number.

28323701 is a deficient number, since it is larger than the sum of its proper divisors (4241419).

28323701 is a wasteful number, since it uses less digits than its factorization.

28323701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24403.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28323701 is about 5322.0015971437. The cubic root of 28323701 is about 304.8245914271.

The spelling of 28323701 in words is "twenty-eight million, three hundred twenty-three thousand, seven hundred one".