2167040 has 36 divisors (see below), whose sum is σ = 5193804. Its totient is φ = 866304.

The previous prime is 2167031. The next prime is 2167063. The reversal of 2167040 is 407612.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 1364224 = 896^2 + 1168^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

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, 434 + ... + 2126.

2^2167040 is an apocalyptic number.

2167040 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 2167040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2596902).

2167040 is an abundant number, since it is smaller than the sum of its proper divisors (3026764).

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

2167040 is an equidigital number, since it uses as much as digits as its factorization.

2167040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2167040 is about 1472.0869539535. The cubic root of 2167040 is about 129.4063663280.

The spelling of 2167040 in words is "two million, one hundred sixty-seven thousand, forty".