396942244 has 6 divisors (see below), whose sum is σ = 694648934. Its totient is φ = 198471120.

The previous prime is 396942241. The next prime is 396942251. The reversal of 396942244 is 442249693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 177902244 = 14800^2 + 13338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396942244.

It is not an unprimeable number, because it can be changed into a prime (396942241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49617777 + ... + 49617784.

Almost surely, 2^396942244 is an apocalyptic number.

It is an amenable number.

396942244 is a deficient number, since it is larger than the sum of its proper divisors (297706690).

396942244 is a wasteful number, since it uses less digits than its factorization.

396942244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99235565 (or 99235563 counting only the distinct ones).

The product of its digits is 373248, while the sum is 43.

The square root of 396942244 is about 19923.4094471805. The cubic root of 396942244 is about 734.9240170115.

The spelling of 396942244 in words is "three hundred ninety-six million, nine hundred forty-two thousand, two hundred forty-four".