28342670 has 16 divisors (see below), whose sum is σ = 53235360. Its totient is φ = 10844064.

The previous prime is 28342667. The next prime is 28342679. The reversal of 28342670 is 7624382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28342679) 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 7 ways as a sum of consecutive naturals, for example, 61385 + ... + 61844.

It is an arithmetic number, because the mean of its divisors is an integer number (3327210).

Almost surely, 2^28342670 is an apocalyptic number.

28342670 is a deficient number, since it is larger than the sum of its proper divisors (24892690).

28342670 is a wasteful number, since it uses less digits than its factorization.

28342670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123259.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 28342670 is about 5323.7834291038. The cubic root of 28342670 is about 304.8926254660.

The spelling of 28342670 in words is "twenty-eight million, three hundred forty-two thousand, six hundred seventy".