492069391 has 16 divisors (see below), whose sum is σ = 566265600. Its totient is φ = 422884800.

The previous prime is 492069379. The next prime is 492069407. The reversal of 492069391 is 193960294.

It is a cyclic number.

It is not a de Polignac number, because 492069391 - 2¹¹ = 492067343 is a prime.

It is a super-2 number, since 2×492069391² = 484264571118221762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492069311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106630 + ... + 111148.

It is an arithmetic number, because the mean of its divisors is an integer number (35391600).

Almost surely, 2^492069391 is an apocalyptic number.

492069391 is a deficient number, since it is larger than the sum of its proper divisors (74196209).

492069391 is a wasteful number, since it uses less digits than its factorization.

492069391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5070.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 492069391 is about 22182.6371516103. The cubic root of 492069391 is about 789.4817896142.

The spelling of 492069391 in words is "four hundred ninety-two million, sixty-nine thousand, three hundred ninety-one".