28659450 has 48 divisors (see below), whose sum is σ = 75263040. Its totient is φ = 7192320.

The previous prime is 28659419. The next prime is 28659461. The reversal of 28659450 is 5495682.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28659399 and 28659408.

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, 3070 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1567980).

Almost surely, 2^28659450 is an apocalyptic number.

28659450 is an abundant number, since it is smaller than the sum of its proper divisors (46603590).

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

28659450 is a wasteful number, since it uses less digits than its factorization.

28659450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 28659450 is about 5353.4521572533. The cubic root of 28659450 is about 306.0243263159.

The spelling of 28659450 in words is "twenty-eight million, six hundred fifty-nine thousand, four hundred fifty".