28342650 has 48 divisors (see below), whose sum is σ = 80334144. Its totient is φ = 6478080.

The previous prime is 28342637. The next prime is 28342663. The reversal of 28342650 is 5624382.

It is an interprime number because it is at equal distance from previous prime (28342637) and next prime (28342663).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12447 + ... + 14546.

It is an arithmetic number, because the mean of its divisors is an integer number (1673628).

Almost surely, 2^28342650 is an apocalyptic number.

28342650 is an abundant number, since it is smaller than the sum of its proper divisors (51991494).

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

28342650 is a wasteful number, since it uses less digits than its factorization.

28342650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27015 (or 27010 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 28342650 is about 5323.7815507400. The cubic root of 28342650 is about 304.8925537502.

The spelling of 28342650 in words is "twenty-eight million, three hundred forty-two thousand, six hundred fifty".