16403892 has 12 divisors (see below), whose sum is σ = 38275776. Its totient is φ = 5467960.

The previous prime is 16403887. The next prime is 16403923. The reversal of 16403892 is 29830461.

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

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, 683484 + ... + 683507.

It is an arithmetic number, because the mean of its divisors is an integer number (3189648).

Almost surely, 2^16403892 is an apocalyptic number.

16403892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16403892 is an abundant number, since it is smaller than the sum of its proper divisors (21871884).

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

16403892 is a wasteful number, since it uses less digits than its factorization.

16403892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366998 (or 1366996 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16403892 is about 4050.1718482059. The cubic root of 16403892 is about 254.0869150961.

The spelling of 16403892 in words is "sixteen million, four hundred three thousand, eight hundred ninety-two".