28262494 has 8 divisors (see below), whose sum is σ = 45654840. Its totient is φ = 13044216.

The previous prime is 28262477. The next prime is 28262497. The reversal of 28262494 is 49426282.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28262497) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 543484 + ... + 543535.

It is an arithmetic number, because the mean of its divisors is an integer number (5706855).

Almost surely, 2^28262494 is an apocalyptic number.

28262494 is a deficient number, since it is larger than the sum of its proper divisors (17392346).

28262494 is a wasteful number, since it uses less digits than its factorization.

28262494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087034.

The product of its digits is 55296, while the sum is 37.

The square root of 28262494 is about 5316.2481130963. The cubic root of 28262494 is about 304.6048596160.

It can be divided in two parts, 2826249 and 4, that added together give a triangular number (2826253 = T₂₃₇₇).

The spelling of 28262494 in words is "twenty-eight million, two hundred sixty-two thousand, four hundred ninety-four".