46207981 has 4 divisors (see below), whose sum is σ = 48640000. Its totient is φ = 43775964.

The previous prime is 46207961. The next prime is 46208039. The reversal of 46207981 is 18970264.

46207981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 46207981 - 2¹³ = 46199789 is a prime.

It is a super-2 number, since 2×46207981² = 4270355016192722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46207981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46207901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215981 + ... + 1216018.

It is an arithmetic number, because the mean of its divisors is an integer number (12160000).

Almost surely, 2^46207981 is an apocalyptic number.

It is an amenable number.

46207981 is a deficient number, since it is larger than the sum of its proper divisors (2432019).

46207981 is a wasteful number, since it uses less digits than its factorization.

46207981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432018.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 46207981 is about 6797.6452540567. The cubic root of 46207981 is about 358.8439795549.

The spelling of 46207981 in words is "forty-six million, two hundred seven thousand, nine hundred eighty-one".