28958494 has 8 divisors (see below), whose sum is σ = 44611848. Its totient is φ = 14087880.

The previous prime is 28958491. The next prime is 28958507. The reversal of 28958494 is 49485982.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28958491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195592 + ... + 195739.

It is an arithmetic number, because the mean of its divisors is an integer number (5576481).

Almost surely, 2^28958494 is an apocalyptic number.

28958494 is a deficient number, since it is larger than the sum of its proper divisors (15653354).

28958494 is a wasteful number, since it uses less digits than its factorization.

28958494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391370.

The product of its digits is 829440, while the sum is 49.

The square root of 28958494 is about 5381.3096918873. The cubic root of 28958494 is about 307.0850383529.

The spelling of 28958494 in words is "twenty-eight million, nine hundred fifty-eight thousand, four hundred ninety-four".