28394662 has 4 divisors (see below), whose sum is σ = 42591996. Its totient is φ = 14197330.

The previous prime is 28394657. The next prime is 28394671. The reversal of 28394662 is 26649382.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7098664 + ... + 7098667.

It is an arithmetic number, because the mean of its divisors is an integer number (10647999).

Almost surely, 2^28394662 is an apocalyptic number.

28394662 is a deficient number, since it is larger than the sum of its proper divisors (14197334).

28394662 is a wasteful number, since it uses less digits than its factorization.

28394662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14197333.

The product of its digits is 124416, while the sum is 40.

The square root of 28394662 is about 5328.6641853283. The cubic root of 28394662 is about 305.0789440010.

The spelling of 28394662 in words is "twenty-eight million, three hundred ninety-four thousand, six hundred sixty-two".