46331986 has 4 divisors (see below), whose sum is σ = 69497982. Its totient is φ = 23165992.

The previous prime is 46331983. The next prime is 46331993. The reversal of 46331986 is 68913364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 22857961 = 4845^2 + 4781^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (46331983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11582995 + ... + 11582998.

Almost surely, 2^46331986 is an apocalyptic number.

46331986 is a deficient number, since it is larger than the sum of its proper divisors (23165996).

46331986 is a wasteful number, since it uses less digits than its factorization.

46331986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23165995.

The product of its digits is 93312, while the sum is 40.

The square root of 46331986 is about 6806.7603160388. The cubic root of 46331986 is about 359.1646940016.

The spelling of 46331986 in words is "forty-six million, three hundred thirty-one thousand, nine hundred eighty-six".