11889950 has 24 divisors (see below), whose sum is σ = 22716552. Its totient is φ = 4626720.

The previous prime is 11889949. The next prime is 11889961. The reversal of 11889950 is 5998811.

It is a super-2 number, since 2×11889950² = 282741822005000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11889898 and 11889907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (946523).

Almost surely, 2^11889950 is an apocalyptic number.

11889950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11889950 is a deficient number, since it is larger than the sum of its proper divisors (10826602).

11889950 is a wasteful number, since it uses less digits than its factorization.

11889950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476 (or 6471 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 11889950 is about 3448.1806797208. The cubic root of 11889950 is about 228.2408325243.

The spelling of 11889950 in words is "eleven million, eight hundred eighty-nine thousand, nine hundred fifty".