41387939 has 2 divisors, whose sum is σ = 41387940. Its totient is φ = 41387938.

The previous prime is 41387923. The next prime is 41387953. The reversal of 41387939 is 93978314.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41387939 - 2⁴ = 41387923 is a prime.

It is a super-2 number, since 2×41387939² = 3425922989335442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41387939.

It is not a weakly prime, because it can be changed into another prime (41387999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20693969 + 20693970.

It is an arithmetic number, because the mean of its divisors is an integer number (20693970).

Almost surely, 2^41387939 is an apocalyptic number.

41387939 is a deficient number, since it is larger than the sum of its proper divisors (1).

41387939 is an equidigital number, since it uses as much as digits as its factorization.

41387939 is an odious number, because the sum of its binary digits is odd.

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

The square root of 41387939 is about 6433.3458635457. The cubic root of 41387939 is about 345.9058711281.

The spelling of 41387939 in words is "forty-one million, three hundred eighty-seven thousand, nine hundred thirty-nine".