28496650 has 48 divisors (see below), whose sum is σ = 65245824. Its totient is φ = 9017280.

The previous prime is 28496603. The next prime is 28496651. The reversal of 28496650 is 5669482.

It is a happy number.

It is a super-2 number, since 2×28496650² = 1624118122445000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (28496651) 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, 1419 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (1359288).

Almost surely, 2^28496650 is an apocalyptic number.

28496650 is an abundant number, since it is smaller than the sum of its proper divisors (36749174).

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

28496650 is a wasteful number, since it uses less digits than its factorization.

28496650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6290 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 28496650 is about 5338.2253605482. The cubic root of 28496650 is about 305.4437685968.

The spelling of 28496650 in words is "twenty-eight million, four hundred ninety-six thousand, six hundred fifty".