46387213 has 4 divisors (see below), whose sum is σ = 46409020. Its totient is φ = 46365408.

The previous prime is 46387207. The next prime is 46387217. The reversal of 46387213 is 31278364.

It is a happy number.

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 3392964 + 42994249 = 1842^2 + 6557^2 .

It is a cyclic number.

It is not a de Polignac number, because 46387213 - 2⁵ = 46387181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46387217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7320 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (11602255).

Almost surely, 2^46387213 is an apocalyptic number.

It is an amenable number.

46387213 is a deficient number, since it is larger than the sum of its proper divisors (21807).

46387213 is a wasteful number, since it uses less digits than its factorization.

46387213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21806.

The product of its digits is 24192, while the sum is 34.

The square root of 46387213 is about 6810.8158835781. The cubic root of 46387213 is about 359.3073435636.

The spelling of 46387213 in words is "forty-six million, three hundred eighty-seven thousand, two hundred thirteen".