46185389 has 4 divisors (see below), whose sum is σ = 46210080. Its totient is φ = 46160700.

The previous prime is 46185329. The next prime is 46185427. The reversal of 46185389 is 98358164.

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 46185389 - 2²⁰ = 45136813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46185329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9287 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (11552520).

Almost surely, 2^46185389 is an apocalyptic number.

It is an amenable number.

46185389 is a deficient number, since it is larger than the sum of its proper divisors (24691).

46185389 is a wasteful number, since it uses less digits than its factorization.

46185389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690.

The product of its digits is 207360, while the sum is 44.

The square root of 46185389 is about 6795.9832989789. The cubic root of 46185389 is about 358.7854880376.

The spelling of 46185389 in words is "forty-six million, one hundred eighty-five thousand, three hundred eighty-nine".