393375476 has 12 divisors (see below), whose sum is σ = 741361572. Its totient is φ = 181557888.

The previous prime is 393375473. The next prime is 393375497. The reversal of 393375476 is 674573393.

It can be written as a sum of positive squares in 2 ways, for example, as 174927076 + 218448400 = 13226^2 + 14780^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 393375476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393375473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3782405 + ... + 3782508.

It is an arithmetic number, because the mean of its divisors is an integer number (61780131).

Almost surely, 2^393375476 is an apocalyptic number.

It is an amenable number.

393375476 is a deficient number, since it is larger than the sum of its proper divisors (347986096).

393375476 is a wasteful number, since it uses less digits than its factorization.

393375476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7564930 (or 7564928 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 47.

The square root of 393375476 is about 19833.6954700832. The cubic root of 393375476 is about 732.7161439747.

The spelling of 393375476 in words is "three hundred ninety-three million, three hundred seventy-five thousand, four hundred seventy-six".