16412889 has 4 divisors (see below), whose sum is σ = 21883856. Its totient is φ = 10941924.

The previous prime is 16412873. The next prime is 16412897. The reversal of 16412889 is 98821461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16412889 - 2⁴ = 16412873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16412839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735479 + ... + 2735484.

It is an arithmetic number, because the mean of its divisors is an integer number (5470964).

Almost surely, 2^16412889 is an apocalyptic number.

It is an amenable number.

16412889 is a deficient number, since it is larger than the sum of its proper divisors (5470967).

16412889 is an equidigital number, since it uses as much as digits as its factorization.

16412889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5470966.

The product of its digits is 27648, while the sum is 39.

The square root of 16412889 is about 4051.2823895651. The cubic root of 16412889 is about 254.1333594026.

The spelling of 16412889 in words is "sixteen million, four hundred twelve thousand, eight hundred eighty-nine".