498545986 has 4 divisors (see below), whose sum is σ = 747818982. Its totient is φ = 249272992.

The previous prime is 498545977. The next prime is 498545987. The reversal of 498545986 is 689545894.

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

It can be written as a sum of positive squares in only one way, i.e., 493683961 + 4862025 = 22219^2 + 2205^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 498545986.

It is not an unprimeable number, because it can be changed into a prime (498545987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124636495 + ... + 124636498.

Almost surely, 2^498545986 is an apocalyptic number.

498545986 is a deficient number, since it is larger than the sum of its proper divisors (249272996).

498545986 is a wasteful number, since it uses less digits than its factorization.

498545986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249272995.

The product of its digits is 12441600, while the sum is 58.

The square root of 498545986 is about 22328.1433621338. The cubic root of 498545986 is about 792.9304112115.

The spelling of 498545986 in words is "four hundred ninety-eight million, five hundred forty-five thousand, nine hundred eighty-six".