28974650 has 24 divisors (see below), whose sum is σ = 54073920. Its totient is φ = 11550960.

The previous prime is 28974629. The next prime is 28974653. The reversal of 28974650 is 5647982.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28974598 and 28974607.

It is not an unprimeable number, because it can be changed into a prime (28974653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17561 + ... + 19139.

It is an arithmetic number, because the mean of its divisors is an integer number (2253080).

Almost surely, 2^28974650 is an apocalyptic number.

28974650 is a deficient number, since it is larger than the sum of its proper divisors (25099270).

28974650 is a wasteful number, since it uses less digits than its factorization.

28974650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 28974650 is about 5382.8106041361. The cubic root of 28974650 is about 307.1421355156.

The spelling of 28974650 in words is "twenty-eight million, nine hundred seventy-four thousand, six hundred fifty".