493789942 has 8 divisors (see below), whose sum is σ = 745120656. Its totient is φ = 245416392.

The previous prime is 493789903. The next prime is 493789957. The reversal of 493789942 is 249987394.

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

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, 738873 + ... + 739540.

It is an arithmetic number, because the mean of its divisors is an integer number (93140082).

Almost surely, 2^493789942 is an apocalyptic number.

493789942 is a deficient number, since it is larger than the sum of its proper divisors (251330714).

493789942 is a wasteful number, since it uses less digits than its factorization.

493789942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478582.

The product of its digits is 3919104, while the sum is 55.

The square root of 493789942 is about 22221.3847903320. The cubic root of 493789942 is about 790.4008765005.

The spelling of 493789942 in words is "four hundred ninety-three million, seven hundred eighty-nine thousand, nine hundred forty-two".