493499894 has 8 divisors (see below), whose sum is σ = 742585968. Its totient is φ = 245971240.

The previous prime is 493499869. The next prime is 493499911. The reversal of 493499894 is 498994394.

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

It is a super-2 number, since 2×493499894² = 487084290756022472, which contains 22 as substring.

It is a Curzon number.

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, 388562 + ... + 389829.

It is an arithmetic number, because the mean of its divisors is an integer number (92823246).

Almost surely, 2^493499894 is an apocalyptic number.

493499894 is a deficient number, since it is larger than the sum of its proper divisors (249086074).

493499894 is a wasteful number, since it uses less digits than its factorization.

493499894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778710.

The product of its digits is 10077696, while the sum is 59.

The square root of 493499894 is about 22214.8575057325. The cubic root of 493499894 is about 790.2460879451.

It can be divided in two parts, 49 and 3499894, that added together give a palindrome (3499943).

The spelling of 493499894 in words is "four hundred ninety-three million, four hundred ninety-nine thousand, eight hundred ninety-four".