41393813 has 4 divisors (see below), whose sum is σ = 43193568. Its totient is φ = 39594060.

The previous prime is 41393809. The next prime is 41393819. The reversal of 41393813 is 31839314.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41393813 - 2² = 41393809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41393813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41393819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899843 + ... + 899888.

It is an arithmetic number, because the mean of its divisors is an integer number (10798392).

Almost surely, 2^41393813 is an apocalyptic number.

It is an amenable number.

41393813 is a deficient number, since it is larger than the sum of its proper divisors (1799755).

41393813 is a wasteful number, since it uses less digits than its factorization.

41393813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799754.

The product of its digits is 7776, while the sum is 32.

The square root of 41393813 is about 6433.8023749568. The cubic root of 41393813 is about 345.9222346309.

The spelling of 41393813 in words is "forty-one million, three hundred ninety-three thousand, eight hundred thirteen".