93821801 has 4 divisors (see below), whose sum is σ = 93950532. Its totient is φ = 93693072.

The previous prime is 93821797. The next prime is 93821813. The reversal of 93821801 is 10812839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83905600 + 9916201 = 9160^2 + 3149^2 .

It is a cyclic number.

It is not a de Polignac number, because 93821801 - 2² = 93821797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93821821) 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, 63266 + ... + 64731.

It is an arithmetic number, because the mean of its divisors is an integer number (23487633).

Almost surely, 2^93821801 is an apocalyptic number.

It is an amenable number.

93821801 is a deficient number, since it is larger than the sum of its proper divisors (128731).

93821801 is a wasteful number, since it uses less digits than its factorization.

93821801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128730.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 93821801 is about 9686.1654435592. The cubic root of 93821801 is about 454.3960929028.

The spelling of 93821801 in words is "ninety-three million, eight hundred twenty-one thousand, eight hundred one".