28603047 has 8 divisors (see below), whose sum is σ = 41604480. Its totient is φ = 17335160.

The previous prime is 28602991. The next prime is 28603051. The reversal of 28603047 is 74030682.

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 28603047 - 2¹⁰ = 28602023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28603097) 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, 433347 + ... + 433412.

It is an arithmetic number, because the mean of its divisors is an integer number (5200560).

Almost surely, 2^28603047 is an apocalyptic number.

28603047 is a deficient number, since it is larger than the sum of its proper divisors (13001433).

28603047 is a wasteful number, since it uses less digits than its factorization.

28603047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866773.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28603047 is about 5348.1816536090. The cubic root of 28603047 is about 305.8234382350.

The spelling of 28603047 in words is "twenty-eight million, six hundred three thousand, forty-seven".