11098431 has 16 divisors (see below), whose sum is σ = 16723200. Its totient is φ = 7272504.

The previous prime is 11098393. The next prime is 11098453. The reversal of 11098431 is 13489011.

It is not a de Polignac number, because 11098431 - 2⁷ = 11098303 is a prime.

It is a super-2 number, since 2×11098431² = 246350341323522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11098395 and 11098404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11098471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1891 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (1045200).

Almost surely, 2^11098431 is an apocalyptic number.

11098431 is a deficient number, since it is larger than the sum of its proper divisors (5624769).

11098431 is an equidigital number, since it uses as much as digits as its factorization.

11098431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11098431 is about 3331.4307737067. The cubic root of 11098431 is about 223.0593995412.

The spelling of 11098431 in words is "eleven million, ninety-eight thousand, four hundred thirty-one".