415399091 has 2 divisors, whose sum is σ = 415399092. Its totient is φ = 415399090.

The previous prime is 415399087. The next prime is 415399121. The reversal of 415399091 is 190993514.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 415399091 - 2² = 415399087 is a prime.

It is a super-3 number, since 3×415399091³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (415399051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207699545 + 207699546.

It is an arithmetic number, because the mean of its divisors is an integer number (207699546).

Almost surely, 2^415399091 is an apocalyptic number.

415399091 is a deficient number, since it is larger than the sum of its proper divisors (1).

415399091 is an equidigital number, since it uses as much as digits as its factorization.

415399091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 415399091 is about 20381.3417369907. The cubic root of 415399091 is about 746.1426191255.

The spelling of 415399091 in words is "four hundred fifteen million, three hundred ninety-nine thousand, ninety-one".