28551662 has 8 divisors (see below), whose sum is σ = 43872192. Its totient is φ = 13927600.

The previous prime is 28551647. The next prime is 28551667. The reversal of 28551662 is 26615582.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28551667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174014 + ... + 174177.

It is an arithmetic number, because the mean of its divisors is an integer number (5484024).

Almost surely, 2^28551662 is an apocalyptic number.

28551662 is a deficient number, since it is larger than the sum of its proper divisors (15320530).

28551662 is a wasteful number, since it uses less digits than its factorization.

28551662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348234.

The product of its digits is 28800, while the sum is 35.

The square root of 28551662 is about 5343.3755248906. The cubic root of 28551662 is about 305.6401925221.

The spelling of 28551662 in words is "twenty-eight million, five hundred fifty-one thousand, six hundred sixty-two".