28162430 has 8 divisors (see below), whose sum is σ = 50692392. Its totient is φ = 11264968.

The previous prime is 28162429. The next prime is 28162457. The reversal of 28162430 is 3426182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28162430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408112 + ... + 1408131.

It is an arithmetic number, because the mean of its divisors is an integer number (6336549).

Almost surely, 2^28162430 is an apocalyptic number.

28162430 is a deficient number, since it is larger than the sum of its proper divisors (22529962).

28162430 is a wasteful number, since it uses less digits than its factorization.

28162430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816250.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 28162430 is about 5306.8286198067. The cubic root of 28162430 is about 304.2449477214.

The spelling of 28162430 in words is "twenty-eight million, one hundred sixty-two thousand, four hundred thirty".