8728494 has 16 divisors (see below), whose sum is σ = 17495760. Its totient is φ = 2903040.

The previous prime is 8728483. The next prime is 8728513. The reversal of 8728494 is 4948278.

It is a super-3 number, since 3×8728494³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1902 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (1093485).

Almost surely, 2^8728494 is an apocalyptic number.

8728494 is an abundant number, since it is smaller than the sum of its proper divisors (8767266).

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

8728494 is a wasteful number, since it uses less digits than its factorization.

8728494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its digits is 129024, while the sum is 42.

The square root of 8728494 is about 2954.4024776594. The cubic root of 8728494 is about 205.8953029421.

It can be divided in two parts, 87284 and 94, that added together give a palindrome (87378).

The spelling of 8728494 in words is "eight million, seven hundred twenty-eight thousand, four hundred ninety-four".