16304532 has 24 divisors (see below), whose sum is σ = 38690400. Its totient is φ = 5342496.

The previous prime is 16304521. The next prime is 16304567. The reversal of 16304532 is 23540361.

It is a happy number.

16304532 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10807 + ... + 12222.

It is an arithmetic number, because the mean of its divisors is an integer number (1612100).

Almost surely, 2^16304532 is an apocalyptic number.

16304532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16304532 is an abundant number, since it is smaller than the sum of its proper divisors (22385868).

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

16304532 is a wasteful number, since it uses less digits than its factorization.

16304532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23095 (or 23093 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 16304532 is about 4037.8870712292. The cubic root of 16304532 is about 253.5728659349.

Adding to 16304532 its reverse (23540361), we get a palindrome (39844893).

It can be divided in two parts, 16304 and 532, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 16304532 in words is "sixteen million, three hundred four thousand, five hundred thirty-two".