16403484 has 12 divisors (see below), whose sum is σ = 38274824. Its totient is φ = 5467824.

The previous prime is 16403461. The next prime is 16403503. The reversal of 16403484 is 48430461.

16403484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×16403484⁴ (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683467 + ... + 683490.

Almost surely, 2^16403484 is an apocalyptic number.

It is an amenable number.

16403484 is an abundant number, since it is smaller than the sum of its proper divisors (21871340).

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

16403484 is a wasteful number, since it uses less digits than its factorization.

16403484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366964 (or 1366962 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 16403484 is about 4050.1214796596. The cubic root of 16403484 is about 254.0848085163.

The spelling of 16403484 in words is "sixteen million, four hundred three thousand, four hundred eighty-four".