498978396 has 36 divisors (see below), whose sum is σ = 1441493872. Its totient is φ = 142565184.

The previous prime is 498978391. The next prime is 498978397. The reversal of 498978396 is 693879894.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498978391) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 989785 + ... + 990288.

Almost surely, 2^498978396 is an apocalyptic number.

It is an amenable number.

498978396 is an abundant number, since it is smaller than the sum of its proper divisors (942515476).

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

498978396 is a wasteful number, since it uses less digits than its factorization.

498978396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980090 (or 1980085 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 498978396 is about 22337.8243345228. The cubic root of 498978396 is about 793.1595923152.

The spelling of 498978396 in words is "four hundred ninety-eight million, nine hundred seventy-eight thousand, three hundred ninety-six".