993426038 has 16 divisors (see below), whose sum is σ = 1626753024. Its totient is φ = 451238760.

The previous prime is 993426019. The next prime is 993426043. The reversal of 993426038 is 830624399.

It is a self number, because there is not a number n which added to its sum of digits gives 993426038.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17531 + ... + 47897.

It is an arithmetic number, because the mean of its divisors is an integer number (101672064).

Almost surely, 2^993426038 is an apocalyptic number.

993426038 is a deficient number, since it is larger than the sum of its proper divisors (633326986).

993426038 is a wasteful number, since it uses less digits than its factorization.

993426038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31867.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 993426038 is about 31518.6617418951. The cubic root of 993426038 is about 997.8038598324.

The spelling of 993426038 in words is "nine hundred ninety-three million, four hundred twenty-six thousand, thirty-eight".