492705385 has 4 divisors (see below), whose sum is σ = 591246468. Its totient is φ = 394164304.

The previous prime is 492705329. The next prime is 492705403. The reversal of 492705385 is 583507294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232593001 + 260112384 = 15251^2 + 16128^2 .

It is a cyclic number.

It is not a de Polignac number, because 492705385 - 2¹⁵ = 492672617 is a prime.

It is a Duffinian 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, 49270534 + ... + 49270543.

It is an arithmetic number, because the mean of its divisors is an integer number (147811617).

Almost surely, 2^492705385 is an apocalyptic number.

It is an amenable number.

492705385 is a deficient number, since it is larger than the sum of its proper divisors (98541083).

492705385 is an equidigital number, since it uses as much as digits as its factorization.

492705385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98541082.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 492705385 is about 22196.9679235701. The cubic root of 492705385 is about 789.8217752095.

The spelling of 492705385 in words is "four hundred ninety-two million, seven hundred five thousand, three hundred eighty-five".