46323981 has 20 divisors (see below), whose sum is σ = 75492384. Its totient is φ = 28074600.

The previous prime is 46323971. The next prime is 46323983. The reversal of 46323981 is 18932364.

It is not a de Polignac number, because 46323981 - 2⁶ = 46323917 is a prime.

It is a super-2 number, since 2×46323981² = 4291822431376722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46323983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25105 + ... + 26886.

Almost surely, 2^46323981 is an apocalyptic number.

It is an amenable number.

46323981 is a deficient number, since it is larger than the sum of its proper divisors (29168403).

46323981 is a wasteful number, since it uses less digits than its factorization.

46323981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52014 (or 52005 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 46323981 is about 6806.1722722834. The cubic root of 46323981 is about 359.1440079398.

The spelling of 46323981 in words is "forty-six million, three hundred twenty-three thousand, nine hundred eighty-one".