2143496 has 16 divisors (see below), whose sum is σ = 4255740. Its totient is φ = 1008640.

The previous prime is 2143489. The next prime is 2143501. The reversal of 2143496 is 6943412.

It can be written as a sum of positive squares in 2 ways, for example, as 2044900 + 98596 = 1430^2 + 314^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7745 + ... + 8016.

2^2143496 is an apocalyptic number.

It is an amenable number.

2143496 is a deficient number, since it is larger than the sum of its proper divisors (2112244).

2143496 is a wasteful number, since it uses less digits than its factorization.

2143496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15784 (or 15780 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2143496 is about 1464.0683044175. The cubic root of 2143496 is about 128.9360097669.

Subtracting from 2143496 its product of digits (5184), we obtain a palindrome (2138312).

The spelling of 2143496 in words is "two million, one hundred forty-three thousand, four hundred ninety-six".