28415633 has 8 divisors (see below), whose sum is σ = 28764480. Its totient is φ = 28069200.

The previous prime is 28415617. The next prime is 28415657. The reversal of 28415633 is 33651482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28415633 - 2⁴ = 28415617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28415633.

It is not an unprimeable number, because it can be changed into a prime (28415693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33863 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (3595560).

Almost surely, 2^28415633 is an apocalyptic number.

It is an amenable number.

28415633 is a deficient number, since it is larger than the sum of its proper divisors (348847).

28415633 is a wasteful number, since it uses less digits than its factorization.

28415633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207.

The product of its digits is 17280, while the sum is 32.

The square root of 28415633 is about 5330.6315760893. The cubic root of 28415633 is about 305.1540313084.

The spelling of 28415633 in words is "twenty-eight million, four hundred fifteen thousand, six hundred thirty-three".