11309898 has 16 divisors (see below), whose sum is σ = 22786560. Its totient is φ = 3742176.

The previous prime is 11309897. The next prime is 11309899. The reversal of 11309898 is 89890311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11309897) and next prime (11309899).

It is not an unprimeable number, because it can be changed into a prime (11309897) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6058 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (1424160).

Almost surely, 2^11309898 is an apocalyptic number.

11309898 is an abundant number, since it is smaller than the sum of its proper divisors (11476662).

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

11309898 is a wasteful number, since it uses less digits than its factorization.

11309898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13901.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 11309898 is about 3363.0191792495. The cubic root of 11309898 is about 224.4672035398.

The spelling of 11309898 in words is "eleven million, three hundred nine thousand, eight hundred ninety-eight".