41390209 has 16 divisors (see below), whose sum is σ = 48716800. Its totient is φ = 34428240.

The previous prime is 41390207. The next prime is 41390213. The reversal of 41390209 is 90209314.

It is a happy number.

It is not a de Polignac number, because 41390209 - 2¹ = 41390207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41390207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59554 + ... + 60244.

It is an arithmetic number, because the mean of its divisors is an integer number (3044800).

Almost surely, 2^41390209 is an apocalyptic number.

It is an amenable number.

41390209 is a deficient number, since it is larger than the sum of its proper divisors (7326591).

41390209 is a wasteful number, since it uses less digits than its factorization.

41390209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 41390209 is about 6433.5222856535. The cubic root of 41390209 is about 345.9121949669.

The spelling of 41390209 in words is "forty-one million, three hundred ninety thousand, two hundred nine".