41399387 has 4 divisors (see below), whose sum is σ = 41532816. Its totient is φ = 41265960.

The previous prime is 41399377. The next prime is 41399401. The reversal of 41399387 is 78399314.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 41399387 - 2²⁰ = 40350811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41399317) 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, 66248 + ... + 66869.

It is an arithmetic number, because the mean of its divisors is an integer number (10383204).

Almost surely, 2^41399387 is an apocalyptic number.

41399387 is a deficient number, since it is larger than the sum of its proper divisors (133429).

41399387 is a wasteful number, since it uses less digits than its factorization.

41399387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133428.

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

The square root of 41399387 is about 6434.2355412279. The cubic root of 41399387 is about 345.9377609769.

The spelling of 41399387 in words is "forty-one million, three hundred ninety-nine thousand, three hundred eighty-seven".