28973301 has 8 divisors (see below), whose sum is σ = 44149824. Its totient is φ = 16556160.

The previous prime is 28973293. The next prime is 28973311. The reversal of 28973301 is 10337982.

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

It is not a de Polignac number, because 28973301 - 2³ = 28973293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28973311) 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, 689820 + ... + 689861.

It is an arithmetic number, because the mean of its divisors is an integer number (5518728).

Almost surely, 2^28973301 is an apocalyptic number.

28973301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28973301 is a deficient number, since it is larger than the sum of its proper divisors (15176523).

28973301 is a wasteful number, since it uses less digits than its factorization.

28973301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379691.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 28973301 is about 5382.6852963925. The cubic root of 28973301 is about 307.1373688066.

The spelling of 28973301 in words is "twenty-eight million, nine hundred seventy-three thousand, three hundred one".