16408426 has 8 divisors (see below), whose sum is σ = 24678720. Its totient is φ = 8182188.

The previous prime is 16408421. The next prime is 16408439. The reversal of 16408426 is 62480461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16408421) 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, 10066 + ... + 11581.

It is an arithmetic number, because the mean of its divisors is an integer number (3084840).

Almost surely, 2^16408426 is an apocalyptic number.

16408426 is a deficient number, since it is larger than the sum of its proper divisors (8270294).

16408426 is a wasteful number, since it uses less digits than its factorization.

16408426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 16408426 is about 4050.7315388705. The cubic root of 16408426 is about 254.1103226295.

Adding to 16408426 its reverse (62480461), we get a palindrome (78888887).

The spelling of 16408426 in words is "sixteen million, four hundred eight thousand, four hundred twenty-six".