46420185 has 16 divisors (see below), whose sum is σ = 84882816. Its totient is φ = 21220608.

The previous prime is 46420181. The next prime is 46420247. The reversal of 46420185 is 58102464.

It is not a de Polignac number, because 46420185 - 2² = 46420181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46420181) 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 15 ways as a sum of consecutive naturals, for example, 220944 + ... + 221153.

It is an arithmetic number, because the mean of its divisors is an integer number (5305176).

Almost surely, 2^46420185 is an apocalyptic number.

It is an amenable number.

46420185 is a deficient number, since it is larger than the sum of its proper divisors (38462631).

46420185 is a wasteful number, since it uses less digits than its factorization.

46420185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442112.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 46420185 is about 6813.2360152867. The cubic root of 46420185 is about 359.3924552076.

The spelling of 46420185 in words is "forty-six million, four hundred twenty thousand, one hundred eighty-five".