28947602 has 8 divisors (see below), whose sum is σ = 45706800. Its totient is φ = 13712004.

The previous prime is 28947601. The next prime is 28947619. The reversal of 28947602 is 20674982.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 761779 = 28947602 / (2 + 8 + 9 + 4 + 7 + 6 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (28947601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380852 + ... + 380927.

It is an arithmetic number, because the mean of its divisors is an integer number (5713350).

Almost surely, 2^28947602 is an apocalyptic number.

28947602 is a deficient number, since it is larger than the sum of its proper divisors (16759198).

28947602 is a wasteful number, since it uses less digits than its factorization.

28947602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761800.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 28947602 is about 5380.2975754135. The cubic root of 28947602 is about 307.0465327861.

The spelling of 28947602 in words is "twenty-eight million, nine hundred forty-seven thousand, six hundred two".