28454602 has 24 divisors (see below), whose sum is σ = 47190528. Its totient is φ = 12858120.

The previous prime is 28454593. The next prime is 28454633. The reversal of 28454602 is 20645482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74103 + ... + 74485.

It is an arithmetic number, because the mean of its divisors is an integer number (1966272).

Almost surely, 2^28454602 is an apocalyptic number.

28454602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28454602 is a deficient number, since it is larger than the sum of its proper divisors (18735926).

28454602 is a wasteful number, since it uses less digits than its factorization.

28454602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 28454602 is about 5334.2855191675. The cubic root of 28454602 is about 305.2934629561.

It can be divided in two parts, 2845 and 4602, that added together give a palindrome (7447).

The spelling of 28454602 in words is "twenty-eight million, four hundred fifty-four thousand, six hundred two".