390816041 has 16 divisors (see below), whose sum is σ = 493129728. Its totient is φ = 300858000.

The previous prime is 390816031. The next prime is 390816047. The reversal of 390816041 is 140618093.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 390816041 - 2¹⁸ = 390553897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390815989 and 390816007.

It is not an unprimeable number, because it can be changed into a prime (390816047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24185 + ... + 36966.

It is an arithmetic number, because the mean of its divisors is an integer number (30820608).

Almost surely, 2^390816041 is an apocalyptic number.

It is an amenable number.

390816041 is a deficient number, since it is larger than the sum of its proper divisors (102313687).

390816041 is a wasteful number, since it uses less digits than its factorization.

390816041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61252.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 390816041 is about 19769.0677827762. The cubic root of 390816041 is about 731.1235846828.

The spelling of 390816041 in words is "three hundred ninety million, eight hundred sixteen thousand, forty-one".