16421460 has 96 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 3930240.

The previous prime is 16421459. The next prime is 16421477. The reversal of 16421460 is 6412461.

16421460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16421460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91651 + ... + 91829.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^16421460 is an apocalyptic number.

16421460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16421460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401600).

16421460 is an abundant number, since it is smaller than the sum of its proper divisors (34381740).

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

16421460 is a wasteful number, since it uses less digits than its factorization.

16421460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16421460 is about 4052.3400647034. The cubic root of 16421460 is about 254.1775888286.

The spelling of 16421460 in words is "sixteen million, four hundred twenty-one thousand, four hundred sixty".