16426004 has 24 divisors (see below), whose sum is σ = 33051648. Its totient is φ = 6996960.

The previous prime is 16425991. The next prime is 16426009. The reversal of 16426004 is 40062461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1377152).

Almost surely, 2^16426004 is an apocalyptic number.

16426004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16426004 is an abundant number, since it is smaller than the sum of its proper divisors (16625644).

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

16426004 is a wasteful number, since it uses less digits than its factorization.

16426004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 16426004 is about 4052.9006896296. The cubic root of 16426004 is about 254.2010312519.

Adding to 16426004 its reverse (40062461), we get a palindrome (56488465).

The spelling of 16426004 in words is "sixteen million, four hundred twenty-six thousand, four".