2143350 has 72 divisors (see below), whose sum is σ = 6296472. Its totient is φ = 518400.

The previous prime is 2143331. The next prime is 2143369. The reversal of 2143350 is 533412.

It is an interprime number because it is at equal distance from previous prime (2143331) and next prime (2143369).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4734 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (87451).

2^2143350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3148236).

2143350 is an abundant number, since it is smaller than the sum of its proper divisors (4153122).

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

2143350 is a wasteful number, since it uses less digits than its factorization.

2143350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2143350 is about 1464.0184425068. The cubic root of 2143350 is about 128.9330822932.

Adding to 2143350 its reverse (533412), we get a palindrome (2676762).

The spelling of 2143350 in words is "two million, one hundred forty-three thousand, three hundred fifty".