2005396 has 12 divisors (see below), whose sum is σ = 3584448. Its totient is φ = 981272.

The previous prime is 2005387. The next prime is 2005397. The reversal of 2005396 is 6935002.

It is a super-2 number, since 2×2005396² = 8043226233632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5146 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (298704).

2^2005396 is an apocalyptic number.

It is an amenable number.

2005396 is a deficient number, since it is larger than the sum of its proper divisors (1579052).

2005396 is a wasteful number, since it uses less digits than its factorization.

2005396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718 (or 10716 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2005396 is about 1416.1200514081. The cubic root of 2005396 is about 126.1053121392.

It can be divided in two parts, 2005 and 396, that added together give a 4-th power (2401 = 7⁴).

The spelling of 2005396 in words is "two million, five thousand, three hundred ninety-six".