2163480 has 96 divisors (see below), whose sum is σ = 7182000. Its totient is φ = 520960.

The previous prime is 2163479. The next prime is 2163481. The reversal of 2163480 is 843612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2163479) and next prime (2163481).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 2²¹ + 1 + 6² + 3⁵ + 4⁸ + 8³ + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2163480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14446 + ... + 14594.

2^2163480 is an apocalyptic number.

2163480 is a gapful number since it is divisible by the number (20) 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 2163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3591000).

2163480 is an abundant number, since it is smaller than the sum of its proper divisors (5018520).

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

2163480 is a wasteful number, since it uses less digits than its factorization.

2163480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 170 counting only the distinct ones).

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

The square root of 2163480 is about 1470.8772892393. The cubic root of 2163480 is about 129.3354648271.

The spelling of 2163480 in words is "two million, one hundred sixty-three thousand, four hundred eighty".