28864462 has 16 divisors (see below), whose sum is σ = 47577600. Its totient is φ = 13024440.

The previous prime is 28864421. The next prime is 28864499. The reversal of 28864462 is 26446882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662 + ... + 7777.

It is an arithmetic number, because the mean of its divisors is an integer number (2973600).

Almost surely, 2^28864462 is an apocalyptic number.

28864462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28864462 is a deficient number, since it is larger than the sum of its proper divisors (18713138).

28864462 is a wasteful number, since it uses less digits than its factorization.

28864462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591.

The product of its digits is 147456, while the sum is 40.

The square root of 28864462 is about 5372.5656813109. The cubic root of 28864462 is about 306.7522962410.

The spelling of 28864462 in words is "twenty-eight million, eight hundred sixty-four thousand, four hundred sixty-two".