16420708 has 24 divisors (see below), whose sum is σ = 30710232. Its totient is φ = 7655424.

The previous prime is 16420687. The next prime is 16420709. The reversal of 16420708 is 80702461.

It can be written as a sum of positive squares in 4 ways, for example, as 82944 + 16337764 = 288^2 + 4042^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16420709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6616 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (1279593).

Almost surely, 2^16420708 is an apocalyptic number.

It is an amenable number.

16420708 is a deficient number, since it is larger than the sum of its proper divisors (14289524).

16420708 is a wasteful number, since it uses less digits than its factorization.

16420708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 16420708 is about 4052.2472777460. The cubic root of 16420708 is about 254.1737088556.

The spelling of 16420708 in words is "sixteen million, four hundred twenty thousand, seven hundred eight".