493661895 has 32 divisors (see below), whose sum is σ = 880346880. Its totient is φ = 234754560.

The previous prime is 493661893. The next prime is 493661897. The reversal of 493661895 is 598166394.

It is an interprime number because it is at equal distance from previous prime (493661893) and next prime (493661897).

It is not a de Polignac number, because 493661895 - 2¹ = 493661893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493661893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46101 + ... + 55790.

It is an arithmetic number, because the mean of its divisors is an integer number (27510840).

Almost surely, 2^493661895 is an apocalyptic number.

493661895 is a deficient number, since it is larger than the sum of its proper divisors (386684985).

493661895 is a wasteful number, since it uses less digits than its factorization.

493661895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101935.

The product of its digits is 1399680, while the sum is 51.

The square root of 493661895 is about 22218.5034374505. The cubic root of 493661895 is about 790.3325497338.

The spelling of 493661895 in words is "four hundred ninety-three million, six hundred sixty-one thousand, eight hundred ninety-five".