16425904 has 20 divisors (see below), whose sum is σ = 34718760. Its totient is φ = 7466240.

The previous prime is 16425881. The next prime is 16425907. The reversal of 16425904 is 40952461.

It is not an unprimeable number, because it can be changed into a prime (16425907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46489 + ... + 46840.

It is an arithmetic number, because the mean of its divisors is an integer number (1735938).

Almost surely, 2^16425904 is an apocalyptic number.

It is an amenable number.

16425904 is an abundant number, since it is smaller than the sum of its proper divisors (18292856).

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

16425904 is a wasteful number, since it uses less digits than its factorization.

16425904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93348 (or 93342 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16425904 is about 4052.8883527677. Note that the first 3 decimals coincide. The cubic root of 16425904 is about 254.2005154000.

The spelling of 16425904 in words is "sixteen million, four hundred twenty-five thousand, nine hundred four".