28973950 has 48 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 10757120.

The previous prime is 28973947. The next prime is 28973957. The reversal of 28973950 is 5937982.

28973950 = 488² + 489² + ... + 587².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28973897 and 28973906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28973957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75459 + ... + 75841.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^28973950 is an apocalyptic number.

28973950 is a deficient number, since it is larger than the sum of its proper divisors (28879490).

28973950 is a wasteful number, since it uses less digits than its factorization.

28973950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 28973950 is about 5382.7455819498. The cubic root of 28973950 is about 307.1396620750.

The spelling of 28973950 in words is "twenty-eight million, nine hundred seventy-three thousand, nine hundred fifty".