93821401 has 2 divisors, whose sum is σ = 93821402. Its totient is φ = 93821400.

The previous prime is 93821359. The next prime is 93821461. The reversal of 93821401 is 10412839.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58537801 + 35283600 = 7651^2 + 5940^2 .

It is an emirp because it is prime and its reverse (10412839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 93821401 - 2⁹ = 93820889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93821401.

It is not a weakly prime, because it can be changed into another prime (93821461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46910700 + 46910701.

It is an arithmetic number, because the mean of its divisors is an integer number (46910701).

Almost surely, 2^93821401 is an apocalyptic number.

It is an amenable number.

93821401 is a deficient number, since it is larger than the sum of its proper divisors (1).

93821401 is an equidigital number, since it uses as much as digits as its factorization.

93821401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 93821401 is about 9686.1447955314. The cubic root of 93821401 is about 454.3954471442.

The spelling of 93821401 in words is "ninety-three million, eight hundred twenty-one thousand, four hundred one".