2143460 has 24 divisors (see below), whose sum is σ = 4910976. Its totient is φ = 779360.

The previous prime is 2143459. The next prime is 2143469. The reversal of 2143460 is 643412.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2143469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4652 + ... + 5091.

It is an arithmetic number, because the mean of its divisors is an integer number (204624).

2^2143460 is an apocalyptic number.

2143460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2143460 is an abundant number, since it is smaller than the sum of its proper divisors (2767516).

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

2143460 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 2143460 = (1234460)₁₁.

2143460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9763 (or 9761 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143460 is about 1464.0560098575. The cubic root of 2143460 is about 128.9352879364.

Adding to 2143460 its reverse (643412), we get a palindrome (2786872).

The spelling of 2143460 in words is "two million, one hundred forty-three thousand, four hundred sixty".