1098093690 has 24 divisors (see below), whose sum is σ = 2855043828. Its totient is φ = 292824960.

The previous prime is 1098093683. The next prime is 1098093713. The reversal of 1098093690 is 963908901.

It can be written as a sum of positive squares in 2 ways, for example, as 1061260929 + 36832761 = 32577^2 + 6069^2 .

It is a super-2 number, since 2×1098093690² = 2411619504035632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6100431 + ... + 6100610.

Almost surely, 2^1098093690 is an apocalyptic number.

1098093690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098093690 is an abundant number, since it is smaller than the sum of its proper divisors (1756950138).

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

1098093690 is a wasteful number, since it uses less digits than its factorization.

1098093690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12201054 (or 12201051 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 1098093690 is about 33137.4967370802. The cubic root of 1098093690 is about 1031.6834537086.

The spelling of 1098093690 in words is "one billion, ninety-eight million, ninety-three thousand, six hundred ninety".