93964649 has 4 divisors (see below), whose sum is σ = 94826820. Its totient is φ = 93102480.

The previous prime is 93964631. The next prime is 93964679. The reversal of 93964649 is 94646939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94646939 = 17 ⋅5567467.

It can be written as a sum of positive squares in 2 ways, for example, as 50865424 + 43099225 = 7132^2 + 6565^2 .

It is a cyclic number.

It is not a de Polignac number, because 93964649 - 2⁸ = 93964393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 93964597 and 93964606.

It is not an unprimeable number, because it can be changed into a prime (93964679) 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, 430922 + ... + 431139.

It is an arithmetic number, because the mean of its divisors is an integer number (23706705).

Almost surely, 2^93964649 is an apocalyptic number.

It is an amenable number.

93964649 is a deficient number, since it is larger than the sum of its proper divisors (862171).

93964649 is a wasteful number, since it uses less digits than its factorization.

93964649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862170.

The product of its digits is 1259712, while the sum is 50.

The square root of 93964649 is about 9693.5364547723. The cubic root of 93964649 is about 454.6265889340.

The spelling of 93964649 in words is "ninety-three million, nine hundred sixty-four thousand, six hundred forty-nine".