492211801 has 8 divisors (see below), whose sum is σ = 495822600. Its totient is φ = 488614272.

The previous prime is 492211793. The next prime is 492211813. The reversal of 492211801 is 108112294.

It can be written as a sum of positive squares in 4 ways, for example, as 4862025 + 487349776 = 2205^2 + 22076^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 492211801 - 2³ = 492211793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 492211801.

It is not an unprimeable number, because it can be changed into a prime (492212801) 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, 78291 + ... + 84343.

It is an arithmetic number, because the mean of its divisors is an integer number (61977825).

Almost surely, 2^492211801 is an apocalyptic number.

It is an amenable number.

492211801 is a deficient number, since it is larger than the sum of its proper divisors (3610799).

492211801 is a wasteful number, since it uses less digits than its factorization.

492211801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 492211801 is about 22185.8468623580. The cubic root of 492211801 is about 789.5579436819.

The spelling of 492211801 in words is "four hundred ninety-two million, two hundred eleven thousand, eight hundred one".