28961594 has 8 divisors (see below), whose sum is σ = 43465440. Its totient is φ = 14473116.

The previous prime is 28961593. The next prime is 28961599. The reversal of 28961594 is 49516982.

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

It is not an unprimeable number, because it can be changed into a prime (28961593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 8819.

It is an arithmetic number, because the mean of its divisors is an integer number (5433180).

Almost surely, 2^28961594 is an apocalyptic number.

28961594 is a deficient number, since it is larger than the sum of its proper divisors (14503846).

28961594 is a wasteful number, since it uses less digits than its factorization.

28961594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684.

The product of its digits is 155520, while the sum is 44.

The square root of 28961594 is about 5381.5977181503. The cubic root of 28961594 is about 307.0959957557.

The spelling of 28961594 in words is "twenty-eight million, nine hundred sixty-one thousand, five hundred ninety-four".