11894740 has 48 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 3991680.

The previous prime is 11894689. The next prime is 11894759. The reversal of 11894740 is 4749811.

It is a Smith number, since the sum of its digits (34) 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 = 11894696 and 11894705.

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, 781 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^11894740 is an apocalyptic number.

11894740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11894740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

11894740 is an abundant number, since it is smaller than the sum of its proper divisors (17458220).

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

11894740 is a wasteful number, since it uses less digits than its factorization.

11894740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 11894740 is about 3448.8751789533. The cubic root of 11894740 is about 228.2714782042.

Subtracting from 11894740 its reverse (4749811), we obtain a square (7144929 = 2673²).

It can be divided in two parts, 1189 and 4740, that added together give a square (5929 = 77²).

The spelling of 11894740 in words is "eleven million, eight hundred ninety-four thousand, seven hundred forty".