46921171 has 4 divisors (see below), whose sum is σ = 51186744. Its totient is φ = 42655600.

The previous prime is 46921169. The next prime is 46921201. The reversal of 46921171 is 17112964.

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

It is a cyclic number.

It is not a de Polignac number, because 46921171 - 2¹ = 46921169 is a prime.

It is a super-2 number, since 2×46921171² = 4403192576022482, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46921111) 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, 2132770 + ... + 2132791.

It is an arithmetic number, because the mean of its divisors is an integer number (12796686).

Almost surely, 2^46921171 is an apocalyptic number.

46921171 is a deficient number, since it is larger than the sum of its proper divisors (4265573).

46921171 is a wasteful number, since it uses less digits than its factorization.

46921171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265572.

The product of its digits is 3024, while the sum is 31.

The square root of 46921171 is about 6849.9029920138. The cubic root of 46921171 is about 360.6807361387.

The spelling of 46921171 in words is "forty-six million, nine hundred twenty-one thousand, one hundred seventy-one".