28600697 has 4 divisors (see below), whose sum is σ = 28714896. Its totient is φ = 28486500.

The previous prime is 28600687. The next prime is 28600709. The reversal of 28600697 is 79600682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28600697 - 2¹⁶ = 28535161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28600697.

It is not an unprimeable number, because it can be changed into a prime (28600687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56723 + ... + 57224.

It is an arithmetic number, because the mean of its divisors is an integer number (7178724).

Almost surely, 2^28600697 is an apocalyptic number.

It is an amenable number.

28600697 is a deficient number, since it is larger than the sum of its proper divisors (114199).

28600697 is a wasteful number, since it uses less digits than its factorization.

28600697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114198.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 28600697 is about 5347.9619482566. The cubic root of 28600697 is about 305.8150626149.

The spelling of 28600697 in words is "twenty-eight million, six hundred thousand, six hundred ninety-seven".