1000408986 has 24 divisors (see below), whose sum is σ = 2169292320. Its totient is φ = 333202056.

The previous prime is 1000408961. The next prime is 1000408987. The reversal of 1000408986 is 6898040001.

It is a happy number.

1000408986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1000408986.

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 in 11 ways as a sum of consecutive naturals, for example, 1435 + ... + 44753.

It is an arithmetic number, because the mean of its divisors is an integer number (90387180).

Almost surely, 2^1000408986 is an apocalyptic number.

1000408986 is an abundant number, since it is smaller than the sum of its proper divisors (1168883334).

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

1000408986 is a wasteful number, since it uses less digits than its factorization.

1000408986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44610 (or 44607 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1000408986 is about 31629.2425770836. The cubic root of 1000408986 is about 1000.1363100854.

Adding to 1000408986 its reverse (6898040001), we get a palindrome (7898448987).

The spelling of 1000408986 in words is "one billion, four hundred eight thousand, nine hundred eighty-six".