41390381 has 8 divisors (see below), whose sum is σ = 42629664. Its totient is φ = 40163760.

The previous prime is 41390369. The next prime is 41390399. The reversal of 41390381 is 18309314.

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 41390381 - 2¹⁸ = 41128237 is a prime.

It is a super-2 number, since 2×41390381² = 3426327278650322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41390351) 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, 3686 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (5328708).

Almost surely, 2^41390381 is an apocalyptic number.

It is an amenable number.

41390381 is a deficient number, since it is larger than the sum of its proper divisors (1239283).

41390381 is a wasteful number, since it uses less digits than its factorization.

41390381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6331.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 41390381 is about 6433.5356531226. The cubic root of 41390381 is about 345.9126741206.

Adding to 41390381 its reverse (18309314), we get a palindrome (59699695).

The spelling of 41390381 in words is "forty-one million, three hundred ninety thousand, three hundred eighty-one".