396234645 has 16 divisors (see below), whose sum is σ = 667343040. Its totient is φ = 200202624.

The previous prime is 396234611. The next prime is 396234647. The reversal of 396234645 is 546432693.

It is not a de Polignac number, because 396234645 - 2¹⁴ = 396218261 is a prime.

It is a super-3 number, since 3×396234645³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396234597 and 396234606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396234647) 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 in 15 ways as a sum of consecutive naturals, for example, 694864 + ... + 695433.

It is an arithmetic number, because the mean of its divisors is an integer number (41708940).

Almost surely, 2^396234645 is an apocalyptic number.

It is an amenable number.

396234645 is a deficient number, since it is larger than the sum of its proper divisors (271108395).

396234645 is a wasteful number, since it uses less digits than its factorization.

396234645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390324.

The product of its digits is 466560, while the sum is 42.

The square root of 396234645 is about 19905.6435464920. The cubic root of 396234645 is about 734.4870593930.

The spelling of 396234645 in words is "three hundred ninety-six million, two hundred thirty-four thousand, six hundred forty-five".