16423950 has 48 divisors (see below), whose sum is σ = 40997376. Its totient is φ = 4351200.

The previous prime is 16423919. The next prime is 16423951. The reversal of 16423950 is 5932461.

It is a super-2 number, since 2×16423950² = 539492267205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16423951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33205 + ... + 33695.

It is an arithmetic number, because the mean of its divisors is an integer number (854112).

Almost surely, 2^16423950 is an apocalyptic number.

16423950 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 16423950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20498688).

16423950 is an abundant number, since it is smaller than the sum of its proper divisors (24573426).

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

16423950 is a wasteful number, since it uses less digits than its factorization.

16423950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16423950 is about 4052.6472829498. The cubic root of 16423950 is about 254.1904352343.

The spelling of 16423950 in words is "sixteen million, four hundred twenty-three thousand, nine hundred fifty".