492942658 has 8 divisors (see below), whose sum is σ = 796292028. Its totient is φ = 227511984.

The previous prime is 492942649. The next prime is 492942677. The reversal of 492942658 is 856249294.

It can be written as a sum of positive squares in 2 ways, for example, as 383258929 + 109683729 = 19577^2 + 10473^2 .

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

It is a super-2 number, since 2×492942658² = 485984928152209928, which contains 22 as substring.

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, 9479641 + ... + 9479692.

Almost surely, 2^492942658 is an apocalyptic number.

492942658 is a deficient number, since it is larger than the sum of its proper divisors (303349370).

492942658 is a wasteful number, since it uses less digits than its factorization.

492942658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959348.

The product of its digits is 1244160, while the sum is 49.

The square root of 492942658 is about 22202.3119967268. The cubic root of 492942658 is about 789.9485401507.

The spelling of 492942658 in words is "four hundred ninety-two million, nine hundred forty-two thousand, six hundred fifty-eight".