46643986 has 8 divisors (see below), whose sum is σ = 69995520. Its totient is φ = 23312148.

The previous prime is 46643983. The next prime is 46644001. The reversal of 46643986 is 68934664.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×46643986² = 4351322859936392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46643981) 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, 4995 + ... + 10873.

It is an arithmetic number, because the mean of its divisors is an integer number (8749440).

Almost surely, 2^46643986 is an apocalyptic number.

46643986 is a deficient number, since it is larger than the sum of its proper divisors (23351534).

46643986 is a wasteful number, since it uses less digits than its factorization.

46643986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848.

The product of its digits is 746496, while the sum is 46.

The square root of 46643986 is about 6829.6402540690. The cubic root of 46643986 is about 359.9690971416.

The spelling of 46643986 in words is "forty-six million, six hundred forty-three thousand, nine hundred eighty-six".