498421788 has 24 divisors (see below), whose sum is σ = 1163659392. Its totient is φ = 166044144.

The previous prime is 498421757. The next prime is 498421817. The reversal of 498421788 is 887124894.

It is a self number, because there is not a number n which added to its sum of digits gives 498421788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11281 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (48485808).

Almost surely, 2^498421788 is an apocalyptic number.

It is an amenable number.

498421788 is an abundant number, since it is smaller than the sum of its proper divisors (665237604).

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

498421788 is a wasteful number, since it uses less digits than its factorization.

498421788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24121 (or 24119 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 498421788 is about 22325.3619903463. The cubic root of 498421788 is about 792.8645606829.

The spelling of 498421788 in words is "four hundred ninety-eight million, four hundred twenty-one thousand, seven hundred eighty-eight".