993958097 has 4 divisors (see below), whose sum is σ = 1084317936. Its totient is φ = 903598260.

The previous prime is 993958033. The next prime is 993958099. The reversal of 993958097 is 790859399.

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 993958097 - 2⁶ = 993958033 is a prime.

It is a super-2 number, since 2×993958097² = 1975905397183722818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993958099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45179903 + ... + 45179924.

It is an arithmetic number, because the mean of its divisors is an integer number (271079484).

Almost surely, 2^993958097 is an apocalyptic number.

It is an amenable number.

993958097 is a deficient number, since it is larger than the sum of its proper divisors (90359839).

993958097 is a wasteful number, since it uses less digits than its factorization.

993958097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90359838.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The square root of 993958097 is about 31527.1009926381. The cubic root of 993958097 is about 997.9819625978.

The spelling of 993958097 in words is "nine hundred ninety-three million, nine hundred fifty-eight thousand, ninety-seven".