415155985 has 8 divisors (see below), whose sum is σ = 524407680. Its totient is φ = 314644464.

The previous prime is 415155977. The next prime is 415155991. The reversal of 415155985 is 589551514.

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 415155985 - 2³ = 415155977 is a prime.

It is a super-3 number, since 3×415155985³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184937 + ... + 2185126.

It is an arithmetic number, because the mean of its divisors is an integer number (65550960).

Almost surely, 2^415155985 is an apocalyptic number.

It is an amenable number.

415155985 is a deficient number, since it is larger than the sum of its proper divisors (109251695).

415155985 is a wasteful number, since it uses less digits than its factorization.

415155985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370087.

The product of its digits is 180000, while the sum is 43.

The square root of 415155985 is about 20375.3769290288. The cubic root of 415155985 is about 745.9970345149.

The spelling of 415155985 in words is "four hundred fifteen million, one hundred fifty-five thousand, nine hundred eighty-five".