16401460 has 12 divisors (see below), whose sum is σ = 34443108. Its totient is φ = 6560576.

The previous prime is 16401457. The next prime is 16401467. The reversal of 16401460 is 6410461.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 11329956 = 2252^2 + 3366^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410017 + ... + 410056.

It is an arithmetic number, because the mean of its divisors is an integer number (2870259).

Almost surely, 2^16401460 is an apocalyptic number.

16401460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16401460 is an abundant number, since it is smaller than the sum of its proper divisors (18041648).

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

16401460 is a wasteful number, since it uses less digits than its factorization.

16401460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820082 (or 820080 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16401460 is about 4049.8716029030. The cubic root of 16401460 is about 254.0743577120.

Subtracting from 16401460 its reverse (6410461), we obtain a palindrome (9990999).

It can be divided in two parts, 16401 and 460, that added together give a palindrome (16861).

The spelling of 16401460 in words is "sixteen million, four hundred one thousand, four hundred sixty".