16883881 has 9 divisors (see below), whose sum is σ = 19673949. Its totient is φ = 14447244.

The previous prime is 16883869. The next prime is 16883897. The reversal of 16883881 is 18838861.

The square root of 16883881 is 4109.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16883881 - 2⁵ = 16883849 is a prime.

It is a super-2 number, since 2×16883881² = 570130875244322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16883681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 28470 + ... + 29056.

Almost surely, 2^16883881 is an apocalyptic number.

16883881 is the 4109-th square number.

16883881 is the 2055-th centered octagonal number.

It is an amenable number.

16883881 is a deficient number, since it is larger than the sum of its proper divisors (2790068).

16883881 is an frugal number, since it uses more digits than its factorization.

16883881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 594 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The cubic root of 16883881 is about 256.5413805439.

The spelling of 16883881 in words is "sixteen million, eight hundred eighty-three thousand, eight hundred eighty-one".