93844649 has 2 divisors, whose sum is σ = 93844650. Its totient is φ = 93844648.

The previous prime is 93844643. The next prime is 93844651. The reversal of 93844649 is 94644839.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56145049 + 37699600 = 7493^2 + 6140^2 .

It is a cyclic number.

It is not a de Polignac number, because 93844649 - 2¹² = 93840553 is a prime.

Together with 93844651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (93844643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46922324 + 46922325.

It is an arithmetic number, because the mean of its divisors is an integer number (46922325).

Almost surely, 2^93844649 is an apocalyptic number.

It is an amenable number.

93844649 is a deficient number, since it is larger than the sum of its proper divisors (1).

93844649 is an equidigital number, since it uses as much as digits as its factorization.

93844649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The square root of 93844649 is about 9687.3447858533. The cubic root of 93844649 is about 454.4329755859.

The spelling of 93844649 in words is "ninety-three million, eight hundred forty-four thousand, six hundred forty-nine".