490747982 has 4 divisors (see below), whose sum is σ = 736121976. Its totient is φ = 245373990.

The previous prime is 490747981. The next prime is 490748029. The reversal of 490747982 is 289747094.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 490747982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490747981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122686994 + ... + 122686997.

It is an arithmetic number, because the mean of its divisors is an integer number (184030494).

Almost surely, 2^490747982 is an apocalyptic number.

490747982 is a deficient number, since it is larger than the sum of its proper divisors (245373994).

490747982 is a wasteful number, since it uses less digits than its factorization.

490747982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245373993.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 490747982 is about 22152.8323696994. The cubic root of 490747982 is about 788.7744614815.

The spelling of 490747982 in words is "four hundred ninety million, seven hundred forty-seven thousand, nine hundred eighty-two".