492942657 has 4 divisors (see below), whose sum is σ = 657256880. Its totient is φ = 328628436.

The previous prime is 492942649. The next prime is 492942677. The reversal of 492942657 is 756249294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 492942657 - 2³ = 492942649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492942677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82157107 + ... + 82157112.

It is an arithmetic number, because the mean of its divisors is an integer number (164314220).

Almost surely, 2^492942657 is an apocalyptic number.

It is an amenable number.

492942657 is a deficient number, since it is larger than the sum of its proper divisors (164314223).

492942657 is a wasteful number, since it uses less digits than its factorization.

492942657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164314222.

The product of its digits is 1088640, while the sum is 48.

The square root of 492942657 is about 22202.3119742067. The cubic root of 492942657 is about 789.9485396165.

It can be divided in two parts, 4929 and 42657, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 492942657 in words is "four hundred ninety-two million, nine hundred forty-two thousand, six hundred fifty-seven".