93869381 has 2 divisors, whose sum is σ = 93869382. Its totient is φ = 93869380.

The previous prime is 93869351. The next prime is 93869411. The reversal of 93869381 is 18396839.

It is a balanced prime because it is at equal distance from previous prime (93869351) and next prime (93869411).

It can be written as a sum of positive squares in only one way, i.e., 89605156 + 4264225 = 9466^2 + 2065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93869381 is a prime.

It is a super-2 number, since 2×93869381² = 17622921378646322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93869311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46934690 + 46934691.

It is an arithmetic number, because the mean of its divisors is an integer number (46934691).

Almost surely, 2^93869381 is an apocalyptic number.

It is an amenable number.

93869381 is a deficient number, since it is larger than the sum of its proper divisors (1).

93869381 is an equidigital number, since it uses as much as digits as its factorization.

93869381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 93869381 is about 9688.6212125359. The cubic root of 93869381 is about 454.4728927941.

The spelling of 93869381 in words is "ninety-three million, eight hundred sixty-nine thousand, three hundred eighty-one".