492181392 has 40 divisors (see below), whose sum is σ = 1285765920. Its totient is φ = 162215680.

The previous prime is 492181387. The next prime is 492181409. The reversal of 492181392 is 293181294.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 492181392.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53334 + ... + 61877.

It is an arithmetic number, because the mean of its divisors is an integer number (32144148).

Almost surely, 2^492181392 is an apocalyptic number.

It is an amenable number.

492181392 is an abundant number, since it is smaller than the sum of its proper divisors (793584528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492181392 is a wasteful number, since it uses less digits than its factorization.

492181392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115311 (or 115305 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 492181392 is about 22185.1615274715. The cubic root of 492181392 is about 789.5416836343.

The spelling of 492181392 in words is "four hundred ninety-two million, one hundred eighty-one thousand, three hundred ninety-two".