28662598 has 4 divisors (see below), whose sum is σ = 42993900. Its totient is φ = 14331298.

The previous prime is 28662593. The next prime is 28662607. The reversal of 28662598 is 89526682.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28662593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7165648 + ... + 7165651.

It is an arithmetic number, because the mean of its divisors is an integer number (10748475).

Almost surely, 2^28662598 is an apocalyptic number.

28662598 is a deficient number, since it is larger than the sum of its proper divisors (14331302).

28662598 is a wasteful number, since it uses less digits than its factorization.

28662598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14331301.

The product of its digits is 414720, while the sum is 46.

The square root of 28662598 is about 5353.7461650698. The cubic root of 28662598 is about 306.0355306401.

The spelling of 28662598 in words is "twenty-eight million, six hundred sixty-two thousand, five hundred ninety-eight".