493399895 has 4 divisors (see below), whose sum is σ = 592079880. Its totient is φ = 394719912.

The previous prime is 493399889. The next prime is 493399901. The reversal of 493399895 is 598993394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 598993394 = 2 ⋅299496697.

It is an interprime number because it is at equal distance from previous prime (493399889) and next prime (493399901).

It is a cyclic number.

It is not a de Polignac number, because 493399895 - 2²⁰ = 492351319 is a prime.

It is a super-2 number, since 2×493399895² = 486886912772022050, which contains 22 as substring.

It is a congruent number.

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, 49339985 + ... + 49339994.

It is an arithmetic number, because the mean of its divisors is an integer number (148019970).

Almost surely, 2^493399895 is an apocalyptic number.

493399895 is a deficient number, since it is larger than the sum of its proper divisors (98679985).

493399895 is an equidigital number, since it uses as much as digits as its factorization.

493399895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98679984.

The product of its digits is 9447840, while the sum is 59.

The square root of 493399895 is about 22212.6066682864. The cubic root of 493399895 is about 790.1927078886.

The spelling of 493399895 in words is "four hundred ninety-three million, three hundred ninety-nine thousand, eight hundred ninety-five".