492639750 has 96 divisors (see below), whose sum is σ = 1337944608. Its totient is φ = 130795200.

The previous prime is 492639671. The next prime is 492639751. The reversal of 492639750 is 57936294.

It is a happy number.

492639750 is a `hidden beast` number, since 4 + 9 + 2 + 639 + 7 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 492639696 and 492639705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492639751) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 838957 + ... + 839543.

It is an arithmetic number, because the mean of its divisors is an integer number (13936923).

Almost surely, 2^492639750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492639750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (668972304).

492639750 is an abundant number, since it is smaller than the sum of its proper divisors (845304858).

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

492639750 is a wasteful number, since it uses less digits than its factorization.

492639750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 492639750 is about 22195.4894066340. The cubic root of 492639750 is about 789.7867020158.

The spelling of 492639750 in words is "four hundred ninety-two million, six hundred thirty-nine thousand, seven hundred fifty".