16407934 has 4 divisors (see below), whose sum is σ = 24611904. Its totient is φ = 8203966.

The previous prime is 16407929. The next prime is 16407943. The reversal of 16407934 is 43970461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16407934.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101982 + ... + 4101985.

It is an arithmetic number, because the mean of its divisors is an integer number (6152976).

Almost surely, 2^16407934 is an apocalyptic number.

16407934 is a deficient number, since it is larger than the sum of its proper divisors (8203970).

16407934 is an equidigital number, since it uses as much as digits as its factorization.

16407934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8203969.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16407934 is about 4050.6708086439. The cubic root of 16407934 is about 254.1077828058.

The spelling of 16407934 in words is "sixteen million, four hundred seven thousand, nine hundred thirty-four".