28949794 has 8 divisors (see below), whose sum is σ = 43534188. Its totient is φ = 14438400.

The previous prime is 28949779. The next prime is 28949857. The reversal of 28949794 is 49794982.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28249225 + 700569 = 5315^2 + 837^2 .

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

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, 17247 + ... + 18850.

Almost surely, 2^28949794 is an apocalyptic number.

28949794 is a deficient number, since it is larger than the sum of its proper divisors (14584394).

28949794 is a wasteful number, since it uses less digits than its factorization.

28949794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36500.

The product of its digits is 1306368, while the sum is 52.

The square root of 28949794 is about 5380.5012777621. The cubic root of 28949794 is about 307.0542827546.

The spelling of 28949794 in words is "twenty-eight million, nine hundred forty-nine thousand, seven hundred ninety-four".