28379294 has 4 divisors (see below), whose sum is σ = 42568944. Its totient is φ = 14189646.

The previous prime is 28379287. The next prime is 28379297. The reversal of 28379294 is 49297382.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28379297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7094822 + ... + 7094825.

It is an arithmetic number, because the mean of its divisors is an integer number (10642236).

Almost surely, 2^28379294 is an apocalyptic number.

28379294 is a deficient number, since it is larger than the sum of its proper divisors (14189650).

28379294 is a wasteful number, since it uses less digits than its factorization.

28379294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189649.

The product of its digits is 217728, while the sum is 44.

The square root of 28379294 is about 5327.2219777291. The cubic root of 28379294 is about 305.0238949299.

The spelling of 28379294 in words is "twenty-eight million, three hundred seventy-nine thousand, two hundred ninety-four".