46821830 has 16 divisors (see below), whose sum is σ = 91941264. Its totient is φ = 17026080.

The previous prime is 46821793. The next prime is 46821839. The reversal of 46821830 is 3812864.

46821830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46821839) 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 7 ways as a sum of consecutive naturals, for example, 212717 + ... + 212936.

It is an arithmetic number, because the mean of its divisors is an integer number (5746329).

Almost surely, 2^46821830 is an apocalyptic number.

46821830 is a deficient number, since it is larger than the sum of its proper divisors (45119434).

46821830 is a wasteful number, since it uses less digits than its factorization.

46821830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425671.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 46821830 is about 6842.6478792935. The cubic root of 46821830 is about 360.4260131597.

The spelling of 46821830 in words is "forty-six million, eight hundred twenty-one thousand, eight hundred thirty".