46108021 has 4 divisors (see below), whose sum is σ = 46183852. Its totient is φ = 46032192.

The previous prime is 46108019. The next prime is 46108033. The reversal of 46108021 is 12080164.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1030225 + 45077796 = 1015^2 + 6714^2 .

It is a cyclic number.

It is not a de Polignac number, because 46108021 - 2¹ = 46108019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46107983 and 46108001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44108021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36996 + ... + 38221.

It is an arithmetic number, because the mean of its divisors is an integer number (11545963).

Almost surely, 2^46108021 is an apocalyptic number.

It is an amenable number.

46108021 is a deficient number, since it is larger than the sum of its proper divisors (75831).

46108021 is an equidigital number, since it uses as much as digits as its factorization.

46108021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75830.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 46108021 is about 6790.2887272928. The cubic root of 46108021 is about 358.5850348157.

Adding to 46108021 its reverse (12080164), we get a palindrome (58188185).

The spelling of 46108021 in words is "forty-six million, one hundred eight thousand, twenty-one".