28764254 has 4 divisors (see below), whose sum is σ = 43146384. Its totient is φ = 14382126.

The previous prime is 28764251. The next prime is 28764277. The reversal of 28764254 is 45246782.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28764251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7191062 + ... + 7191065.

It is an arithmetic number, because the mean of its divisors is an integer number (10786596).

Almost surely, 2^28764254 is an apocalyptic number.

28764254 is a deficient number, since it is larger than the sum of its proper divisors (14382130).

28764254 is a wasteful number, since it uses less digits than its factorization.

28764254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14382129.

The product of its digits is 107520, while the sum is 38.

The square root of 28764254 is about 5363.2316750258. The cubic root of 28764254 is about 306.3969033380.

The spelling of 28764254 in words is "twenty-eight million, seven hundred sixty-four thousand, two hundred fifty-four".