28492950 has 72 divisors (see below), whose sum is σ = 73068984. Its totient is φ = 7347200.

The previous prime is 28492949. The next prime is 28492957. The reversal of 28492950 is 5929482.

It is a junction number, because it is equal to n+sod(n) for n = 28492899 and 28492908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28492957) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 252094 + ... + 252206.

It is an arithmetic number, because the mean of its divisors is an integer number (1014847).

Almost surely, 2^28492950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28492950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36534492).

28492950 is an abundant number, since it is smaller than the sum of its proper divisors (44576034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28492950 is a wasteful number, since it uses less digits than its factorization.

28492950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 28492950 is about 5337.8787921795. The cubic root of 28492950 is about 305.4305484363.

The spelling of 28492950 in words is "twenty-eight million, four hundred ninety-two thousand, nine hundred fifty".