2005977 has 8 divisors (see below), whose sum is σ = 2688160. Its totient is φ = 1330560.

The previous prime is 2005957. The next prime is 2005981. The reversal of 2005977 is 7795002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2005977 - 2¹⁰ = 2004953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (336020).

2^2005977 is an apocalyptic number.

It is an amenable number.

2005977 is a deficient number, since it is larger than the sum of its proper divisors (682183).

2005977 is a wasteful number, since it uses less digits than its factorization.

2005977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 2005977 is about 1416.3251745274. The cubic root of 2005977 is about 126.1174893039.

The spelling of 2005977 in words is "two million, five thousand, nine hundred seventy-seven".