1098390200 has 24 divisors (see below), whose sum is σ = 2553757680. Its totient is φ = 439356000.

The previous prime is 1098390199. The next prime is 1098390253. The reversal of 1098390200 is 20938901.

It is a super-2 number, since 2×1098390200² = 2412922062912080000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2745776 + ... + 2746175.

It is an arithmetic number, because the mean of its divisors is an integer number (106406570).

Almost surely, 2^1098390200 is an apocalyptic number.

1098390200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098390200 is an abundant number, since it is smaller than the sum of its proper divisors (1455367480).

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

1098390200 is a wasteful number, since it uses less digits than its factorization.

1098390200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491967 (or 5491958 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1098390200 is about 33141.9703699101. The cubic root of 1098390200 is about 1031.7763045992.

The spelling of 1098390200 in words is "one billion, ninety-eight million, three hundred ninety thousand, two hundred".