18340941 has 8 divisors (see below), whose sum is σ = 24596640. Its totient is φ = 12156272.

The previous prime is 18340939. The next prime is 18340957. The reversal of 18340941 is 14904381.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18340941 - 2¹ = 18340939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18340899 and 18340908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18340241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17151 + ... + 18188.

It is an arithmetic number, because the mean of its divisors is an integer number (3074580).

Almost surely, 2^18340941 is an apocalyptic number.

It is an amenable number.

18340941 is a deficient number, since it is larger than the sum of its proper divisors (6255699).

18340941 is a wasteful number, since it uses less digits than its factorization.

18340941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35515.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18340941 is about 4282.6324848159. The cubic root of 18340941 is about 263.7184642184.

The spelling of 18340941 in words is "eighteen million, three hundred forty thousand, nine hundred forty-one".