498587990 has 8 divisors (see below), whose sum is σ = 897458400. Its totient is φ = 199435192.

The previous prime is 498587983. The next prime is 498588001. The reversal of 498587990 is 99785894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24929390 + ... + 24929409.

It is an arithmetic number, because the mean of its divisors is an integer number (112182300).

Almost surely, 2^498587990 is an apocalyptic number.

498587990 is a deficient number, since it is larger than the sum of its proper divisors (398870410).

498587990 is a wasteful number, since it uses less digits than its factorization.

498587990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49858806.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 498587990 is about 22329.0839489666. The cubic root of 498587990 is about 792.9526795108.

The spelling of 498587990 in words is "four hundred ninety-eight million, five hundred eighty-seven thousand, nine hundred ninety".