492617905 has 16 divisors (see below), whose sum is σ = 642925584. Its totient is φ = 360172800.

The previous prime is 492617899. The next prime is 492617929. The reversal of 492617905 is 509716294.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 31270464 + 461347441 = 5592^2 + 21479^2 .

It is not a de Polignac number, because 492617905 - 2³ = 492617897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30954 + ... + 44083.

It is an arithmetic number, because the mean of its divisors is an integer number (40182849).

Almost surely, 2^492617905 is an apocalyptic number.

It is an amenable number.

492617905 is a deficient number, since it is larger than the sum of its proper divisors (150307679).

492617905 is a wasteful number, since it uses less digits than its factorization.

492617905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75156.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 492617905 is about 22194.9972966883. The cubic root of 492617905 is about 789.7750280725.

The spelling of 492617905 in words is "four hundred ninety-two million, six hundred seventeen thousand, nine hundred five".