16977948 has 48 divisors (see below), whose sum is σ = 43671936. Its totient is φ = 5100480.

The previous prime is 16977937. The next prime is 16977953. The reversal of 16977948 is 84977961.

Its product of digits (762048) is a multiple of the sum of its prime divisors (2592).

It is a self number, because there is not a number n which added to its sum of digits gives 16977948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5443 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (909832).

Almost surely, 2^16977948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16977948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21835968).

16977948 is an abundant number, since it is smaller than the sum of its proper divisors (26693988).

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

16977948 is a wasteful number, since it uses less digits than its factorization.

16977948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594 (or 2592 counting only the distinct ones).

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

The square root of 16977948 is about 4120.4305600265. The cubic root of 16977948 is about 257.0169307584.

The spelling of 16977948 in words is "sixteen million, nine hundred seventy-seven thousand, nine hundred forty-eight".