2005356 has 12 divisors (see below), whose sum is σ = 4679192. Its totient is φ = 668448.

The previous prime is 2005343. The next prime is 2005369. The reversal of 2005356 is 6535002.

It is an interprime number because it is at equal distance from previous prime (2005343) and next prime (2005369).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×2005356³ = 24193332822186474048, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83545 + ... + 83568.

2^2005356 is an apocalyptic number.

It is an amenable number.

2005356 is an abundant number, since it is smaller than the sum of its proper divisors (2673836).

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

2005356 is a wasteful number, since it uses less digits than its factorization.

2005356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167120 (or 167118 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2005356 is about 1416.1059282412. The cubic root of 2005356 is about 126.1044736937.

The spelling of 2005356 in words is "two million, five thousand, three hundred fifty-six".