46921 has 4 divisors (see below), whose sum is σ = 53632. Its totient is φ = 40212.

The previous prime is 46919. The next prime is 46933. The reversal of 46921 is 12964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 46921 - 2¹ = 46919 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 46892 and 46901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (13408).

2⁴⁶⁹²¹ is an apocalyptic number.

It is an amenable number.

46921 is a deficient number, since it is larger than the sum of its proper divisors (6711).

46921 is an equidigital number, since it uses as much as digits as its factorization.

46921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710.

The product of its digits is 432, while the sum is 22.

The square root of 46921 is about 216.6125573461. The cubic root of 46921 is about 36.0680297982.

The spelling of 46921 in words is "forty-six thousand, nine hundred twenty-one".