46851381 has 12 divisors (see below), whose sum is σ = 69248608. Its totient is φ = 30507624.

The previous prime is 46851377. The next prime is 46851383. The reversal of 46851381 is 18315864.

46851381 is a `hidden beast` number, since 4 + 68 + 513 + 81 = 666.

It is not a de Polignac number, because 46851381 - 2² = 46851377 is a prime.

It is a super-2 number, since 2×46851381² = 4390103803214322, 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 (46851383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60145 + ... + 60918.

Almost surely, 2^46851381 is an apocalyptic number.

It is an amenable number.

46851381 is a deficient number, since it is larger than the sum of its proper divisors (22397227).

46851381 is a wasteful number, since it uses less digits than its factorization.

46851381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121112 (or 121109 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 46851381 is about 6844.8068636010. The cubic root of 46851381 is about 360.5018233047.

The spelling of 46851381 in words is "forty-six million, eight hundred fifty-one thousand, three hundred eighty-one".