2005893457 has 8 divisors (see below), whose sum is σ = 2100893760. Its totient is φ = 1911542160.

The previous prime is 2005893437. The next prime is 2005893467. The reversal of 2005893457 is 7543985002.

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

It is a cyclic number.

It is not a de Polignac number, because 2005893457 - 2²³ = 1997504849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005893437) 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, 155919 + ... + 168292.

It is an arithmetic number, because the mean of its divisors is an integer number (262611720).

Almost surely, 2^2005893457 is an apocalyptic number.

It is an amenable number.

2005893457 is a deficient number, since it is larger than the sum of its proper divisors (95000303).

2005893457 is a wasteful number, since it uses less digits than its factorization.

2005893457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324503.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2005893457 is about 44787.2019331416. The cubic root of 2005893457 is about 1261.1573847297.

The spelling of 2005893457 in words is "two billion, five million, eight hundred ninety-three thousand, four hundred fifty-seven".