16969950 has 72 divisors (see below), whose sum is σ = 46706088. Its totient is φ = 4415040.

The previous prime is 16969949. The next prime is 16969951. The reversal of 16969950 is 5996961.

It is an interprime number because it is at equal distance from previous prime (16969949) and next prime (16969951).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 16969896 and 16969905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16969951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18912 + ... + 19788.

Almost surely, 2^16969950 is an apocalyptic number.

16969950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16969950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23353044).

16969950 is an abundant number, since it is smaller than the sum of its proper divisors (29736138).

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

16969950 is a wasteful number, since it uses less digits than its factorization.

16969950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 16969950 is about 4119.4599160570. The cubic root of 16969950 is about 256.9765657649.

The spelling of 16969950 in words is "sixteen million, nine hundred sixty-nine thousand, nine hundred fifty".