1100398928 has 10 divisors (see below), whose sum is σ = 2132022954. Its totient is φ = 550199456.

The previous prime is 1100398919. The next prime is 1100398961. The reversal of 1100398928 is 8298930011.

It can be written as a sum of positive squares in only one way, i.e., 958026304 + 142372624 = 30952^2 + 11932^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34387451 + ... + 34387482.

Almost surely, 2^1100398928 is an apocalyptic number.

It is an amenable number.

1100398928 is a deficient number, since it is larger than the sum of its proper divisors (1031624026).

1100398928 is an equidigital number, since it uses as much as digits as its factorization.

1100398928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68774941 (or 68774935 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1100398928 is about 33172.2614242683. The cubic root of 1100398928 is about 1032.4048899018.

The spelling of 1100398928 in words is "one billion, one hundred million, three hundred ninety-eight thousand, nine hundred twenty-eight".