86464946 has 4 divisors (see below), whose sum is σ = 129697422. Its totient is φ = 43232472.

The previous prime is 86464943. The next prime is 86464949. The reversal of 86464946 is 64946468.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (86464943) and next prime (86464949).

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 16491721 = 8365^2 + 4061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86464946.

It is not an unprimeable number, because it can be changed into a prime (86464943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21616235 + ... + 21616238.

Almost surely, 2^86464946 is an apocalyptic number.

86464946 is a deficient number, since it is larger than the sum of its proper divisors (43232476).

86464946 is a wasteful number, since it uses less digits than its factorization.

86464946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43232475.

The product of its digits is 995328, while the sum is 47.

The square root of 86464946 is about 9298.6529131912. The cubic root of 86464946 is about 442.1945220517.

The spelling of 86464946 in words is "eighty-six million, four hundred sixty-four thousand, nine hundred forty-six".