16427406 has 16 divisors (see below), whose sum is σ = 34787664. Its totient is φ = 5153664.

The previous prime is 16427401. The next prime is 16427407. The reversal of 16427406 is 60472461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427401) 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, 80425 + ... + 80628.

It is an arithmetic number, because the mean of its divisors is an integer number (2174229).

Almost surely, 2^16427406 is an apocalyptic number.

16427406 is an abundant number, since it is smaller than the sum of its proper divisors (18360258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16427406 is a wasteful number, since it uses less digits than its factorization.

16427406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161075.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 16427406 is about 4053.0736484796. The cubic root of 16427406 is about 254.2082632747.

Adding to 16427406 its reverse (60472461), we get a palindrome (76899867).

The spelling of 16427406 in words is "sixteen million, four hundred twenty-seven thousand, four hundred six".