2143395 has 16 divisors (see below), whose sum is σ = 3810720. Its totient is φ = 1143072.

The previous prime is 2143391. The next prime is 2143417. The reversal of 2143395 is 5933412.

It is not a de Polignac number, because 2143395 - 2² = 2143391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 4³ + 3 + 3¹⁰ + 9² + 5⁹ .

2143395 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2143391) 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, 7804 + ... + 8073.

It is an arithmetic number, because the mean of its divisors is an integer number (238170).

2^2143395 is an apocalyptic number.

2143395 is a deficient number, since it is larger than the sum of its proper divisors (1667325).

2143395 is a wasteful number, since it uses less digits than its factorization.

2143395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15891 (or 15885 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2143395 is about 1464.0338110850. The cubic root of 2143395 is about 128.9339846109.

It can be divided in two parts, 21433 and 95, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 2143395 in words is "two million, one hundred forty-three thousand, three hundred ninety-five".