492177390 has 64 divisors (see below), whose sum is σ = 1227018240. Its totient is φ = 126213120.

The previous prime is 492177383. The next prime is 492177409. The reversal of 492177390 is 93771294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153726 + ... + 156894.

It is an arithmetic number, because the mean of its divisors is an integer number (19172160).

Almost surely, 2^492177390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492177390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613509120).

492177390 is an abundant number, since it is smaller than the sum of its proper divisors (734840850).

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

492177390 is a wasteful number, since it uses less digits than its factorization.

492177390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 492177390 is about 22185.0713318664. The cubic root of 492177390 is about 789.5395436683.

The spelling of 492177390 in words is "four hundred ninety-two million, one hundred seventy-seven thousand, three hundred ninety".