393469376 has 14 divisors (see below), whose sum is σ = 780790920. Its totient is φ = 196734656.

The previous prime is 393469327. The next prime is 393469379. The reversal of 393469376 is 673964393.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393469379) 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 as a sum of consecutive naturals, namely, 3073916 + ... + 3074043.

It is an arithmetic number, because the mean of its divisors is an integer number (55770780).

Almost surely, 2^393469376 is an apocalyptic number.

It is an amenable number.

393469376 is a deficient number, since it is larger than the sum of its proper divisors (387321544).

393469376 is an equidigital number, since it uses as much as digits as its factorization.

393469376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6147971 (or 6147961 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 50.

The square root of 393469376 is about 19836.0625125048. The cubic root of 393469376 is about 732.7744399086.

The spelling of 393469376 in words is "three hundred ninety-three million, four hundred sixty-nine thousand, three hundred seventy-six".