396087460 has 12 divisors (see below), whose sum is σ = 831783708. Its totient is φ = 158434976.

The previous prime is 396087449. The next prime is 396087463. The reversal of 396087460 is 64780693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124233316 + 271854144 = 11146^2 + 16488^2 .

It is not an unprimeable number, because it can be changed into a prime (396087463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9902167 + ... + 9902206.

It is an arithmetic number, because the mean of its divisors is an integer number (69315309).

Almost surely, 2^396087460 is an apocalyptic number.

It is an amenable number.

396087460 is an abundant number, since it is smaller than the sum of its proper divisors (435696248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396087460 is a wasteful number, since it uses less digits than its factorization.

396087460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19804382 (or 19804380 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 396087460 is about 19901.9461359938. The cubic root of 396087460 is about 734.3961041408.

The spelling of 396087460 in words is "three hundred ninety-six million, eighty-seven thousand, four hundred sixty".