1000408988 has 6 divisors (see below), whose sum is σ = 1750715736. Its totient is φ = 500204492.

The previous prime is 1000408987. The next prime is 1000409023. The reversal of 1000408988 is 8898040001.

1000408988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000408987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125051120 + ... + 125051127.

It is an arithmetic number, because the mean of its divisors is an integer number (291785956).

Almost surely, 2^1000408988 is an apocalyptic number.

It is an amenable number.

1000408988 is a deficient number, since it is larger than the sum of its proper divisors (750306748).

1000408988 is a wasteful number, since it uses less digits than its factorization.

1000408988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250102251 (or 250102249 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1000408988 is about 31629.2426086999. The cubic root of 1000408988 is about 1000.1363107519.

Adding to 1000408988 its reverse (8898040001), we get a palindrome (9898448989).

The spelling of 1000408988 in words is "one billion, four hundred eight thousand, nine hundred eighty-eight".