28146354 has 16 divisors (see below), whose sum is σ = 56356992. Its totient is φ = 9371408.

The previous prime is 28146341. The next prime is 28146359. The reversal of 28146354 is 45364182.

It is not an unprimeable number, because it can be changed into a prime (28146359) 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, 4492 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (3522312).

Almost surely, 2^28146354 is an apocalyptic number.

28146354 is an abundant number, since it is smaller than the sum of its proper divisors (28210638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28146354 is a wasteful number, since it uses less digits than its factorization.

28146354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5361.

The product of its digits is 23040, while the sum is 33.

The square root of 28146354 is about 5305.3137513252. The cubic root of 28146354 is about 304.1870458438.

The spelling of 28146354 in words is "twenty-eight million, one hundred forty-six thousand, three hundred fifty-four".