11288398 has 8 divisors (see below), whose sum is σ = 18471960. Its totient is φ = 5131080.

The previous prime is 11288383. The next prime is 11288429. The reversal of 11288398 is 89388211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11288398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256533 + ... + 256576.

It is an arithmetic number, because the mean of its divisors is an integer number (2308995).

Almost surely, 2^11288398 is an apocalyptic number.

11288398 is a deficient number, since it is larger than the sum of its proper divisors (7183562).

11288398 is a wasteful number, since it uses less digits than its factorization.

11288398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513122.

The product of its digits is 27648, while the sum is 40.

The square root of 11288398 is about 3359.8211261911. The cubic root of 11288398 is about 224.3248766978.

The spelling of 11288398 in words is "eleven million, two hundred eighty-eight thousand, three hundred ninety-eight".