16969240 has 16 divisors (see below), whose sum is σ = 38180880. Its totient is φ = 6787680.

The previous prime is 16969217. The next prime is 16969241. The reversal of 16969240 is 4296961.

It is a self number, because there is not a number n which added to its sum of digits gives 16969240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16969241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212076 + ... + 212155.

It is an arithmetic number, because the mean of its divisors is an integer number (2386305).

Almost surely, 2^16969240 is an apocalyptic number.

16969240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16969240 is an abundant number, since it is smaller than the sum of its proper divisors (21211640).

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

16969240 is a wasteful number, since it uses less digits than its factorization.

16969240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424242 (or 424238 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 16969240 is about 4119.3737388103. The cubic root of 16969240 is about 256.9729818630.

The spelling of 16969240 in words is "sixteen million, nine hundred sixty-nine thousand, two hundred forty".