2043396 has 36 divisors (see below), whose sum is σ = 5334784. Its totient is φ = 658800.

The previous prime is 2043341. The next prime is 2043397. The reversal of 2043396 is 6933402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2043397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201 + ... + 2031.

2^2043396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667392).

2043396 is an abundant number, since it is smaller than the sum of its proper divisors (3291388).

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

2043396 is a wasteful number, since it uses less digits than its factorization.

2043396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1867 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2043396 is about 1429.4740291450. The cubic root of 2043396 is about 126.8968513732.

Adding to 2043396 its reverse (6933402), we get a palindrome (8976798).

It can be divided in two parts, 204 and 3396, that added together give a square (3600 = 60²).

The spelling of 2043396 in words is "two million, forty-three thousand, three hundred ninety-six".