28242406 has 16 divisors (see below), whose sum is σ = 45100800. Its totient is φ = 13217920.

The previous prime is 28242397. The next prime is 28242407. The reversal of 28242406 is 60424282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28242407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320 + ... + 8668.

It is an arithmetic number, because the mean of its divisors is an integer number (2818800).

Almost surely, 2^28242406 is an apocalyptic number.

28242406 is a deficient number, since it is larger than the sum of its proper divisors (16858394).

28242406 is a wasteful number, since it uses less digits than its factorization.

28242406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4559.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 28242406 is about 5314.3584749243. The cubic root of 28242406 is about 304.5326749898.

Adding to 28242406 its reverse (60424282), we get a palindrome (88666688).

It can be divided in two parts, 2 and 8242406, that added together give a cube (8242408 = 202³).

The spelling of 28242406 in words is "twenty-eight million, two hundred forty-two thousand, four hundred six".