11903424 has 112 divisors (see below), whose sum is σ = 35844480. Its totient is φ = 3456000.

The previous prime is 11903413. The next prime is 11903431. The reversal of 11903424 is 42430911.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11903394 and 11903403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47299 + ... + 47549.

It is an arithmetic number, because the mean of its divisors is an integer number (320040).

Almost surely, 2^11903424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11903424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17922240).

11903424 is an abundant number, since it is smaller than the sum of its proper divisors (23941056).

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

11903424 is a wasteful number, since it uses less digits than its factorization.

11903424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11903424 is about 3450.1339104446. The cubic root of 11903424 is about 228.3270161228.

The spelling of 11903424 in words is "eleven million, nine hundred three thousand, four hundred twenty-four".