28970294 has 16 divisors (see below), whose sum is σ = 45685728. Its totient is φ = 13751232.

The previous prime is 28970287. The next prime is 28970309. The reversal of 28970294 is 49207982.

It is a congruent number.

It is an unprimeable number.

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, 4004 + ... + 8600.

It is an arithmetic number, because the mean of its divisors is an integer number (2855358).

Almost surely, 2^28970294 is an apocalyptic number.

28970294 is a deficient number, since it is larger than the sum of its proper divisors (16715434).

28970294 is a wasteful number, since it uses less digits than its factorization.

28970294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 28970294 is about 5382.4059675948. The cubic root of 28970294 is about 307.1267430007.

The spelling of 28970294 in words is "twenty-eight million, nine hundred seventy thousand, two hundred ninety-four".