46821915 has 32 divisors (see below), whose sum is σ = 95132160. Its totient is φ = 21403872.

The previous prime is 46821899. The next prime is 46821919. The reversal of 46821915 is 51912864.

46821915 is a `hidden beast` number, since 468 + 2 + 191 + 5 = 666.

46821915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46821915 - 2⁴ = 46821899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46821915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46821919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23829 + ... + 25718.

It is an arithmetic number, because the mean of its divisors is an integer number (2972880).

Almost surely, 2^46821915 is an apocalyptic number.

46821915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

46821915 is an abundant number, since it is smaller than the sum of its proper divisors (48310245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46821915 is a wasteful number, since it uses less digits than its factorization.

46821915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49568 (or 49562 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 46821915 is about 6842.6540903366. The cubic root of 46821915 is about 360.4262312645.

The spelling of 46821915 in words is "forty-six million, eight hundred twenty-one thousand, nine hundred fifteen".