28345294 has 8 divisors (see below), whose sum is σ = 42568848. Its totient is φ = 14155680.

The previous prime is 28345241. The next prime is 28345327. The reversal of 28345294 is 49254382.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6282 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (5321106).

Almost surely, 2^28345294 is an apocalyptic number.

28345294 is a deficient number, since it is larger than the sum of its proper divisors (14223554).

28345294 is a wasteful number, since it uses less digits than its factorization.

28345294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16970.

The product of its digits is 69120, while the sum is 37.

The square root of 28345294 is about 5324.0298646796. The cubic root of 28345294 is about 304.9020342898.

It can be divided in two parts, 2834 and 5294, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 28345294 in words is "twenty-eight million, three hundred forty-five thousand, two hundred ninety-four".