492157682 has 8 divisors (see below), whose sum is σ = 752165676. Its totient is φ = 241435792.

The previous prime is 492157669. The next prime is 492157691. The reversal of 492157682 is 286751294.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 489338641 + 2819041 = 22121^2 + 1679^2 .

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

It is a super-2 number, since 2×492157682² = 484438367903226248, which contains 22 as substring.

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, 2321393 + ... + 2321604.

Almost surely, 2^492157682 is an apocalyptic number.

492157682 is a deficient number, since it is larger than the sum of its proper divisors (260007994).

492157682 is a wasteful number, since it uses less digits than its factorization.

492157682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643052.

The product of its digits is 241920, while the sum is 44.

The square root of 492157682 is about 22184.6271548566. The cubic root of 492157682 is about 789.5290051556.

The spelling of 492157682 in words is "four hundred ninety-two million, one hundred fifty-seven thousand, six hundred eighty-two".