16488004 has 12 divisors (see below), whose sum is σ = 31073644. Its totient is φ = 7609824.

The previous prime is 16487971. The next prime is 16488007. The reversal of 16488004 is 40088461.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 10956100 = 2352^2 + 3310^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16488007) 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, 158487 + ... + 158590.

Almost surely, 2^16488004 is an apocalyptic number.

It is an amenable number.

16488004 is a deficient number, since it is larger than the sum of its proper divisors (14585640).

16488004 is a wasteful number, since it uses less digits than its factorization.

16488004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317094 (or 317092 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 16488004 is about 4060.5423283103. The cubic root of 16488004 is about 254.5204572082.

The spelling of 16488004 in words is "sixteen million, four hundred eighty-eight thousand, four".