16946420 has 12 divisors (see below), whose sum is σ = 35587524. Its totient is φ = 6778560.

The previous prime is 16946417. The next prime is 16946431. The reversal of 16946420 is 2464961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 11874916 = 2252^2 + 3446^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423641 + ... + 423680.

It is an arithmetic number, because the mean of its divisors is an integer number (2965627).

Almost surely, 2^16946420 is an apocalyptic number.

16946420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16946420 is an abundant number, since it is smaller than the sum of its proper divisors (18641104).

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

16946420 is a wasteful number, since it uses less digits than its factorization.

16946420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847330 (or 847328 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 16946420 is about 4116.6029684681. The cubic root of 16946420 is about 256.8577389475.

The spelling of 16946420 in words is "sixteen million, nine hundred forty-six thousand, four hundred twenty".