16747998 has 32 divisors (see below), whose sum is σ = 34897920. Its totient is φ = 5352480.

The previous prime is 16747981. The next prime is 16748003. The reversal of 16747998 is 89974761.

It is a self number, because there is not a number n which added to its sum of digits gives 16747998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23268 + ... + 23976.

It is an arithmetic number, because the mean of its divisors is an integer number (1090560).

Almost surely, 2^16747998 is an apocalyptic number.

16747998 is an abundant number, since it is smaller than the sum of its proper divisors (18149922).

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

16747998 is a wasteful number, since it uses less digits than its factorization.

16747998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its digits is 762048, while the sum is 51.

The square root of 16747998 is about 4092.4317953999. The cubic root of 16747998 is about 255.8513032137.

The spelling of 16747998 in words is "sixteen million, seven hundred forty-seven thousand, nine hundred ninety-eight".