46163985 has 32 divisors (see below), whose sum is σ = 85048320. Its totient is φ = 20945088.

The previous prime is 46163981. The next prime is 46164023. The reversal of 46163985 is 58936164.

It is not a de Polignac number, because 46163985 - 2² = 46163981 is a prime.

It is a super-2 number, since 2×46163985² = 4262227022160450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46163981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13014 + ... + 16176.

It is an arithmetic number, because the mean of its divisors is an integer number (2657760).

Almost surely, 2^46163985 is an apocalyptic number.

It is an amenable number.

46163985 is a deficient number, since it is larger than the sum of its proper divisors (38884335).

46163985 is a wasteful number, since it uses less digits than its factorization.

46163985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317.

The product of its digits is 155520, while the sum is 42.

The square root of 46163985 is about 6794.4083627642. The cubic root of 46163985 is about 358.7300546969.

It can be divided in two parts, 461 and 63985, that added together give a palindrome (64446).

The spelling of 46163985 in words is "forty-six million, one hundred sixty-three thousand, nine hundred eighty-five".