11621394 has 40 divisors (see below), whose sum is σ = 27181440. Its totient is φ = 3704184.

The previous prime is 11621383. The next prime is 11621399. The reversal of 11621394 is 49312611.

11621394 is a `hidden beast` number, since 1 + 1 + 621 + 39 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621399) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2167 + ... + 5285.

It is an arithmetic number, because the mean of its divisors is an integer number (679536).

Almost surely, 2^11621394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11621394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13590720).

11621394 is an abundant number, since it is smaller than the sum of its proper divisors (15560046).

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

11621394 is a wasteful number, since it uses less digits than its factorization.

11621394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156 (or 3147 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11621394 is about 3409.0165737350. The cubic root of 11621394 is about 226.5093193832.

It can be divided in two parts, 1162 and 1394, that added together give a triangular number (2556 = T₇₁).

The spelling of 11621394 in words is "eleven million, six hundred twenty-one thousand, three hundred ninety-four".