16487628 has 24 divisors (see below), whose sum is σ = 39047232. Its totient is φ = 5413584.

The previous prime is 16487621. The next prime is 16487641. The reversal of 16487628 is 82678461.

It is a self number, because there is not a number n which added to its sum of digits gives 16487628.

It is not an unprimeable number, because it can be changed into a prime (16487621) 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, 9450 + ... + 11057.

It is an arithmetic number, because the mean of its divisors is an integer number (1626968).

Almost surely, 2^16487628 is an apocalyptic number.

It is an amenable number.

16487628 is an abundant number, since it is smaller than the sum of its proper divisors (22559604).

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

16487628 is a wasteful number, since it uses less digits than its factorization.

16487628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20581 (or 20579 counting only the distinct ones).

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

The square root of 16487628 is about 4060.4960288122. The cubic root of 16487628 is about 254.5185224598.

The spelling of 16487628 in words is "sixteen million, four hundred eighty-seven thousand, six hundred twenty-eight".