2005492786 has 16 divisors (see below), whose sum is σ = 3290670720. Its totient is φ = 909100080.

The previous prime is 2005492763. The next prime is 2005492793. The reversal of 2005492786 is 6872945002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116121 + ... + 132268.

It is an arithmetic number, because the mean of its divisors is an integer number (205666920).

Almost surely, 2^2005492786 is an apocalyptic number.

2005492786 is a deficient number, since it is larger than the sum of its proper divisors (1285177934).

2005492786 is a wasteful number, since it uses less digits than its factorization.

2005492786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248769.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2005492786 is about 44782.7286573742. The cubic root of 2005492786 is about 1261.0734083787.

The spelling of 2005492786 in words is "two billion, five million, four hundred ninety-two thousand, seven hundred eighty-six".