393626041 has 8 divisors (see below), whose sum is σ = 416974824. Its totient is φ = 370298880.

The previous prime is 393626033. The next prime is 393626047. The reversal of 393626041 is 140626393.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 138297600 + 255328441 = 11760^2 + 15979^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 393626041 - 2³ = 393626033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393625988 and 393626006.

It is not an unprimeable number, because it can be changed into a prime (393626047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46281 + ... + 54121.

It is an arithmetic number, because the mean of its divisors is an integer number (52121853).

Almost surely, 2^393626041 is an apocalyptic number.

It is an amenable number.

393626041 is a deficient number, since it is larger than the sum of its proper divisors (23348783).

393626041 is a wasteful number, since it uses less digits than its factorization.

393626041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10811.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 393626041 is about 19840.0111139082. The cubic root of 393626041 is about 732.8716815930.

The spelling of 393626041 in words is "three hundred ninety-three million, six hundred twenty-six thousand, forty-one".