11390268 has 48 divisors (see below), whose sum is σ = 27905024. Its totient is φ = 3611520.

The previous prime is 11390261. The next prime is 11390273. The reversal of 11390268 is 86209311.

It is a super-2 number, since 2×11390268² = 259476410223648, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390261) 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, 24696 + ... + 25152.

Almost surely, 2^11390268 is an apocalyptic number.

It is an amenable number.

11390268 is an abundant number, since it is smaller than the sum of its proper divisors (16514756).

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

11390268 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (11390267) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (562).

11390268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11390268 is about 3374.9471106967. The cubic root of 11390268 is about 224.9976493582.

Adding to 11390268 its reverse (86209311), we get a palindrome (97599579).

The spelling of 11390268 in words is "eleven million, three hundred ninety thousand, two hundred sixty-eight".