86944949 has 8 divisors (see below), whose sum is σ = 107009280. Its totient is φ = 68791536.

The previous prime is 86944943. The next prime is 86944961. The reversal of 86944949 is 94944968.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86944949 - 2⁴ = 86944933 is a prime.

It is a super-2 number, since 2×86944949² = 15118848313225202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86944949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86944943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477629 + ... + 477810.

It is an arithmetic number, because the mean of its divisors is an integer number (13376160).

Almost surely, 2^86944949 is an apocalyptic number.

It is an amenable number.

86944949 is a deficient number, since it is larger than the sum of its proper divisors (20064331).

86944949 is a wasteful number, since it uses less digits than its factorization.

86944949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955459.

The product of its digits is 2239488, while the sum is 53.

The square root of 86944949 is about 9324.4275427503. The cubic root of 86944949 is about 443.0112812989.

The spelling of 86944949 in words is "eighty-six million, nine hundred forty-four thousand, nine hundred forty-nine".