16969440 has 48 divisors (see below), whose sum is σ = 53455248. Its totient is φ = 4525056.

The previous prime is 16969429. The next prime is 16969481. The reversal of 16969440 is 4496961.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17197 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (1113651).

Almost surely, 2^16969440 is an apocalyptic number.

16969440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16969440 is an abundant number, since it is smaller than the sum of its proper divisors (36485808).

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

16969440 is a wasteful number, since it uses less digits than its factorization.

16969440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35371 (or 35363 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 16969440 is about 4119.3980142734. The cubic root of 16969440 is about 256.9739914229.

The spelling of 16969440 in words is "sixteen million, nine hundred sixty-nine thousand, four hundred forty".