1100389904 has 10 divisors (see below), whose sum is σ = 2132005470. Its totient is φ = 550194944.

The previous prime is 1100389903. The next prime is 1100389931. The reversal of 1100389904 is 4099830011.

It can be written as a sum of positive squares in only one way, i.e., 678498304 + 421891600 = 26048^2 + 20540^2 .

It is not an unprimeable number, because it can be changed into a prime (1100389903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387169 + ... + 34387200.

It is an arithmetic number, because the mean of its divisors is an integer number (213200547).

Almost surely, 2^1100389904 is an apocalyptic number.

It is an amenable number.

1100389904 is a deficient number, since it is larger than the sum of its proper divisors (1031615566).

1100389904 is an equidigital number, since it uses as much as digits as its factorization.

1100389904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68774377 (or 68774371 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1100389904 is about 33172.1254067327. The cubic root of 1100389904 is about 1032.4020677595.

The spelling of 1100389904 in words is "one billion, one hundred million, three hundred eighty-nine thousand, nine hundred four".