41387399 has 4 divisors (see below), whose sum is σ = 41568360. Its totient is φ = 41206440.

The previous prime is 41387393. The next prime is 41387407. The reversal of 41387399 is 99378314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41387399 is a prime.

It is a super-3 number, since 3×41387399³ (a number of 24 digits) contains 333 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 (41387393) 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, 90137 + ... + 90594.

It is an arithmetic number, because the mean of its divisors is an integer number (10392090).

Almost surely, 2^41387399 is an apocalyptic number.

41387399 is a deficient number, since it is larger than the sum of its proper divisors (180961).

41387399 is a wasteful number, since it uses less digits than its factorization.

41387399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180960.

The product of its digits is 163296, while the sum is 44.

The square root of 41387399 is about 6433.3038945786. The cubic root of 41387399 is about 345.9043667447.

The spelling of 41387399 in words is "forty-one million, three hundred eighty-seven thousand, three hundred ninety-nine".