46886381 has 4 divisors (see below), whose sum is σ = 46903164. Its totient is φ = 46869600.

The previous prime is 46886377. The next prime is 46886387. The reversal of 46886381 is 18368864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 9554281 = 6110^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 46886381 - 2² = 46886377 is a prime.

It is a super-2 number, since 2×46886381² = 4396665446554322, 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 (46886387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3080 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (11725791).

Almost surely, 2^46886381 is an apocalyptic number.

It is an amenable number.

46886381 is a deficient number, since it is larger than the sum of its proper divisors (16783).

46886381 is a wasteful number, since it uses less digits than its factorization.

46886381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16782.

The product of its digits is 221184, while the sum is 44.

The square root of 46886381 is about 6847.3630690946. The cubic root of 46886381 is about 360.5915710908.

The spelling of 46886381 in words is "forty-six million, eight hundred eighty-six thousand, three hundred eighty-one".