41389931 has 8 divisors (see below), whose sum is σ = 46710000. Its totient is φ = 36329440.

The previous prime is 41389927. The next prime is 41389967. The reversal of 41389931 is 13998314.

It is a happy number.

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 41389931 - 2² = 41389927 is a prime.

It is a super-2 number, since 2×41389931² = 3426252776369522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41389921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64556 + ... + 65193.

It is an arithmetic number, because the mean of its divisors is an integer number (5838750).

Almost surely, 2^41389931 is an apocalyptic number.

41389931 is a deficient number, since it is larger than the sum of its proper divisors (5320069).

41389931 is a wasteful number, since it uses less digits than its factorization.

41389931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129789.

The product of its digits is 23328, while the sum is 38.

The square root of 41389931 is about 6433.5006800342. The cubic root of 41389931 is about 345.9114205180.

The spelling of 41389931 in words is "forty-one million, three hundred eighty-nine thousand, nine hundred thirty-one".