993062381 has 4 divisors (see below), whose sum is σ = 1005027072. Its totient is φ = 981097692.

The previous prime is 993062347. The next prime is 993062383. The reversal of 993062381 is 183260399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 993062381 - 2¹⁰ = 993061357 is a prime.

It is a super-2 number, since 2×993062381² = 1972345785114778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993062383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982221 + ... + 5982386.

It is an arithmetic number, because the mean of its divisors is an integer number (251256768).

Almost surely, 2^993062381 is an apocalyptic number.

It is an amenable number.

993062381 is a deficient number, since it is larger than the sum of its proper divisors (11964691).

993062381 is a wasteful number, since it uses less digits than its factorization.

993062381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964690.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 993062381 is about 31512.8922982325. The cubic root of 993062381 is about 997.6820917860.

The spelling of 993062381 in words is "nine hundred ninety-three million, sixty-two thousand, three hundred eighty-one".