16489140 has 48 divisors (see below), whose sum is σ = 46435200. Its totient is φ = 4371840.

The previous prime is 16489103. The next prime is 16489141. The reversal of 16489140 is 4198461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11250 + ... + 12630.

It is an arithmetic number, because the mean of its divisors is an integer number (967400).

Almost surely, 2^16489140 is an apocalyptic number.

16489140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16489140 is an abundant number, since it is smaller than the sum of its proper divisors (29946060).

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

16489140 is a wasteful number, since it uses less digits than its factorization.

16489140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16489140 is about 4060.6822086935. The cubic root of 16489140 is about 254.5263024397.

The spelling of 16489140 in words is "sixteen million, four hundred eighty-nine thousand, one hundred forty".