394080265 has 16 divisors (see below), whose sum is σ = 485771328. Its totient is φ = 306795456.

The previous prime is 394080263. The next prime is 394080283. The reversal of 394080265 is 562080493.

It is a cyclic number.

It is not a de Polignac number, because 394080265 - 2¹ = 394080263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394080263) 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, 20719 + ... + 34891.

It is an arithmetic number, because the mean of its divisors is an integer number (30360708).

Almost surely, 2^394080265 is an apocalyptic number.

It is an amenable number.

394080265 is a deficient number, since it is larger than the sum of its proper divisors (91691063).

394080265 is a wasteful number, since it uses less digits than its factorization.

394080265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14328.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 394080265 is about 19851.4549844589. The cubic root of 394080265 is about 733.1534718448.

The spelling of 394080265 in words is "three hundred ninety-four million, eighty thousand, two hundred sixty-five".