1089408970 has 32 divisors (see below), whose sum is σ = 2117445120. Its totient is φ = 401163840.

The previous prime is 1089408967. The next prime is 1089408989. The reversal of 1089408970 is 798049801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089408970.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38215 + ... + 60325.

It is an arithmetic number, because the mean of its divisors is an integer number (66170160).

Almost surely, 2^1089408970 is an apocalyptic number.

1089408970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089408970 is a deficient number, since it is larger than the sum of its proper divisors (1028036150).

1089408970 is a wasteful number, since it uses less digits than its factorization.

1089408970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22510.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 1089408970 is about 33006.1959334910. The cubic root of 1089408970 is about 1028.9564225217.

The spelling of 1089408970 in words is "one billion, eighty-nine million, four hundred eight thousand, nine hundred seventy".