41439863 has 4 divisors (see below), whose sum is σ = 43877520. Its totient is φ = 39002208.

The previous prime is 41439857. The next prime is 41439877. The reversal of 41439863 is 36893414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36893414 = 2 ⋅18446707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41439863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41439803) 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, 1218803 + ... + 1218836.

It is an arithmetic number, because the mean of its divisors is an integer number (10969380).

Almost surely, 2^41439863 is an apocalyptic number.

41439863 is a deficient number, since it is larger than the sum of its proper divisors (2437657).

41439863 is a wasteful number, since it uses less digits than its factorization.

41439863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437656.

The product of its digits is 62208, while the sum is 38.

The square root of 41439863 is about 6437.3801348064. The cubic root of 41439863 is about 346.0504648679.

The spelling of 41439863 in words is "forty-one million, four hundred thirty-nine thousand, eight hundred sixty-three".