46491 has 4 divisors (see below), whose sum is σ = 61992. Its totient is φ = 30992.

The previous prime is 46489. The next prime is 46499. The reversal of 46491 is 19464.

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 46491 - 2¹ = 46489 is a prime.

It is a super-2 number, since 2×46491² = 4322826162, which contains 22 as substring.

It is a D-number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (46499) 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, 7746 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (15498).

2⁴⁶⁴⁹¹ is an apocalyptic number.

46491 is a deficient number, since it is larger than the sum of its proper divisors (15501).

46491 is a wasteful number, since it uses less digits than its factorization.

46491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500.

The product of its digits is 864, while the sum is 24.

The square root of 46491 is about 215.6177172683. The cubic root of 46491 is about 35.9575116019.

It can be divided in two parts, 464 and 91, that multiplied together give a palindrome (42224).

The spelling of 46491 in words is "forty-six thousand, four hundred ninety-one".