46331821 has 8 divisors (see below), whose sum is σ = 50014080. Its totient is φ = 42788592.

The previous prime is 46331819. The next prime is 46331827. The reversal of 46331821 is 12813364.

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 46331821 - 2¹ = 46331819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46331821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46331827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34065 + ... + 35398.

It is an arithmetic number, because the mean of its divisors is an integer number (6251760).

Almost surely, 2^46331821 is an apocalyptic number.

It is an amenable number.

46331821 is a deficient number, since it is larger than the sum of its proper divisors (3682259).

46331821 is a wasteful number, since it uses less digits than its factorization.

46331821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69515.

The product of its digits is 3456, while the sum is 28.

The square root of 46331821 is about 6806.7481957246. The cubic root of 46331821 is about 359.1642676421.

The spelling of 46331821 in words is "forty-six million, three hundred thirty-one thousand, eight hundred twenty-one".