46107981 has 16 divisors (see below), whose sum is σ = 68939200. Its totient is φ = 30454704.

The previous prime is 46107959. The next prime is 46107989. The reversal of 46107981 is 18970164.

It is not a de Polignac number, because 46107981 - 2⁹ = 46107469 is a prime.

It is a super-2 number, since 2×46107981² = 4251891823792722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46107989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4891 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (4308700).

Almost surely, 2^46107981 is an apocalyptic number.

It is an amenable number.

46107981 is a deficient number, since it is larger than the sum of its proper divisors (22831219).

46107981 is a wasteful number, since it uses less digits than its factorization.

46107981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15785 (or 15779 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 46107981 is about 6790.2857819093. The cubic root of 46107981 is about 358.5849311215.

The spelling of 46107981 in words is "forty-six million, one hundred seven thousand, nine hundred eighty-one".