1098187604 has 12 divisors (see below), whose sum is σ = 1924001184. Its totient is φ = 548472984.

The previous prime is 1098187549. The next prime is 1098187609. The reversal of 1098187604 is 4067818901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098187609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151214 + ... + 158309.

It is an arithmetic number, because the mean of its divisors is an integer number (160333432).

Almost surely, 2^1098187604 is an apocalyptic number.

It is an amenable number.

1098187604 is a deficient number, since it is larger than the sum of its proper divisors (825813580).

1098187604 is a wasteful number, since it uses less digits than its factorization.

1098187604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310414 (or 310412 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 1098187604 is about 33138.9137420043. The cubic root of 1098187604 is about 1031.7128643010.

The spelling of 1098187604 in words is "one billion, ninety-eight million, one hundred eighty-seven thousand, six hundred four".