498897644 has 24 divisors (see below), whose sum is σ = 1004159520. Its totient is φ = 212449536.

The previous prime is 498897631. The next prime is 498897647. The reversal of 498897644 is 446798894.

It is a super-3 number, since 3×498897644³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (498897647) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52349 + ... + 61140.

It is an arithmetic number, because the mean of its divisors is an integer number (41839980).

Almost surely, 2^498897644 is an apocalyptic number.

It is an amenable number.

498897644 is an abundant number, since it is smaller than the sum of its proper divisors (505261876).

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

498897644 is a wasteful number, since it uses less digits than its factorization.

498897644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113657 (or 113655 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 498897644 is about 22336.0167442631. The cubic root of 498897644 is about 793.1168031021.

The spelling of 498897644 in words is "four hundred ninety-eight million, eight hundred ninety-seven thousand, six hundred forty-four".