493954869 has 8 divisors (see below), whose sum is σ = 660345760. Its totient is φ = 328433616.

The previous prime is 493954849. The next prime is 493954871. The reversal of 493954869 is 968459394.

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 493954869 - 2⁸ = 493954613 is a prime.

It is a super-2 number, since 2×493954869² = 487982825217614322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493954849) 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, 216082 + ... + 218355.

It is an arithmetic number, because the mean of its divisors is an integer number (82543220).

Almost surely, 2^493954869 is an apocalyptic number.

It is an amenable number.

493954869 is a deficient number, since it is larger than the sum of its proper divisors (166390891).

493954869 is a wasteful number, since it uses less digits than its factorization.

493954869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434819.

The product of its digits is 8398080, while the sum is 57.

The square root of 493954869 is about 22225.0954778602. The cubic root of 493954869 is about 790.4888652879.

The spelling of 493954869 in words is "four hundred ninety-three million, nine hundred fifty-four thousand, eight hundred sixty-nine".