415401289 has 8 divisors (see below), whose sum is σ = 419963720. Its totient is φ = 410852736.

The previous prime is 415401269. The next prime is 415401353. The reversal of 415401289 is 982104514.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26010000 + 389391289 = 5100^2 + 19733^2 .

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 415401289 - 2¹¹ = 415399241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415401269) 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 7 ways as a sum of consecutive naturals, for example, 63709 + ... + 69925.

It is an arithmetic number, because the mean of its divisors is an integer number (52495465).

Almost surely, 2^415401289 is an apocalyptic number.

It is an amenable number.

415401289 is a deficient number, since it is larger than the sum of its proper divisors (4562431).

415401289 is a wasteful number, since it uses less digits than its factorization.

415401289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 415401289 is about 20381.3956587865. The cubic root of 415401289 is about 746.1439351439.

The spelling of 415401289 in words is "four hundred fifteen million, four hundred one thousand, two hundred eighty-nine".