28944597 has 8 divisors (see below), whose sum is σ = 42101280. Its totient is φ = 17542160.

The previous prime is 28944589. The next prime is 28944631. The reversal of 28944597 is 79544982.

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 28944597 - 2³ = 28944589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28944577) 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, 438522 + ... + 438587.

It is an arithmetic number, because the mean of its divisors is an integer number (5262660).

Almost surely, 2^28944597 is an apocalyptic number.

It is an amenable number.

28944597 is a deficient number, since it is larger than the sum of its proper divisors (13156683).

28944597 is a wasteful number, since it uses less digits than its factorization.

28944597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877123.

The product of its digits is 725760, while the sum is 48.

The square root of 28944597 is about 5380.0183085190. The cubic root of 28944597 is about 307.0359077636.

It can be divided in two parts, 28 and 944597, that added together give a triangular number (944625 = T₁₃₇₄).

The spelling of 28944597 in words is "twenty-eight million, nine hundred forty-four thousand, five hundred ninety-seven".