16969040 has 60 divisors (see below), whose sum is σ = 43390452. Its totient is φ = 6167040.

The previous prime is 16969027. The next prime is 16969079. The reversal of 16969040 is 4096961.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 14318656 = 1628^2 + 3784^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8804 + ... + 10556.

Almost surely, 2^16969040 is an apocalyptic number.

16969040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16969040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21695226).

16969040 is an abundant number, since it is smaller than the sum of its proper divisors (26421412).

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

16969040 is a wasteful number, since it uses less digits than its factorization.

16969040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 16969040 is about 4119.3494632041. The cubic root of 16969040 is about 256.9719722951.

The spelling of 16969040 in words is "sixteen million, nine hundred sixty-nine thousand, forty".