393800973 has 8 divisors (see below), whose sum is σ = 552703200. Its totient is φ = 248716368.

The previous prime is 393800969. The next prime is 393801007. The reversal of 393800973 is 379008393.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 393800973 - 2² = 393800969 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393804973) 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 7 ways as a sum of consecutive naturals, for example, 3454338 + ... + 3454451.

It is an arithmetic number, because the mean of its divisors is an integer number (69087900).

Almost surely, 2^393800973 is an apocalyptic number.

It is an amenable number.

393800973 is a deficient number, since it is larger than the sum of its proper divisors (158902227).

393800973 is a wasteful number, since it uses less digits than its factorization.

393800973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908811.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 393800973 is about 19844.4191902913. The cubic root of 393800973 is about 732.9802310864.

The spelling of 393800973 in words is "three hundred ninety-three million, eight hundred thousand, nine hundred seventy-three".