11198958 has 16 divisors (see below), whose sum is σ = 22453200. Its totient is φ = 3723776.

The previous prime is 11198951. The next prime is 11198969. The reversal of 11198958 is 85989111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616 + ... + 4772.

It is an arithmetic number, because the mean of its divisors is an integer number (1403325).

Almost surely, 2^11198958 is an apocalyptic number.

11198958 is an abundant number, since it is smaller than the sum of its proper divisors (11254242).

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

11198958 is a wasteful number, since it uses less digits than its factorization.

11198958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611.

The product of its digits is 25920, while the sum is 42.

The square root of 11198958 is about 3346.4844239889. The cubic root of 11198958 is about 223.7308496661.

The spelling of 11198958 in words is "eleven million, one hundred ninety-eight thousand, nine hundred fifty-eight".