16409834 has 16 divisors (see below), whose sum is σ = 28206528. Its totient is φ = 7013952.

The previous prime is 16409831. The next prime is 16409837. The reversal of 16409834 is 43890461.

It is an interprime number because it is at equal distance from previous prime (16409831) and next prime (16409837).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16409794 and 16409803.

It is not an unprimeable number, because it can be changed into a prime (16409831) 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, 4709 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (1762908).

Almost surely, 2^16409834 is an apocalyptic number.

16409834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16409834 is a deficient number, since it is larger than the sum of its proper divisors (11796694).

16409834 is a wasteful number, since it uses less digits than its factorization.

16409834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 16409834 is about 4050.9053309106. The cubic root of 16409834 is about 254.1175907875.

The spelling of 16409834 in words is "sixteen million, four hundred nine thousand, eight hundred thirty-four".