16926420 has 96 divisors (see below), whose sum is σ = 54706176. Its totient is φ = 3830400.

The previous prime is 16926361. The next prime is 16926421. The reversal of 16926420 is 2462961.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16926421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80115 + ... + 80325.

It is an arithmetic number, because the mean of its divisors is an integer number (569856).

Almost surely, 2^16926420 is an apocalyptic number.

16926420 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 16926420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27353088).

16926420 is an abundant number, since it is smaller than the sum of its proper divisors (37779756).

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

16926420 is a wasteful number, since it uses less digits than its factorization.

16926420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16926420 is about 4114.1730639340. The cubic root of 16926420 is about 256.7566521684.

The spelling of 16926420 in words is "sixteen million, nine hundred twenty-six thousand, four hundred twenty".