407297056 has 12 divisors (see below), whose sum is σ = 801866142. Its totient is φ = 203648512.

The previous prime is 407297047. The next prime is 407297057. The reversal of 407297056 is 650792704.

It can be written as a sum of positive squares in only one way, i.e., 260499600 + 146797456 = 16140^2 + 12116^2 .

It is not an unprimeable number, because it can be changed into a prime (407297057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363985 + ... + 6364048.

Almost surely, 2^407297056 is an apocalyptic number.

It is an amenable number.

407297056 is a deficient number, since it is larger than the sum of its proper divisors (394569086).

407297056 is a wasteful number, since it uses less digits than its factorization.

407297056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728043 (or 12728035 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 407297056 is about 20181.6019185792. The cubic root of 407297056 is about 741.2597582670.

The spelling of 407297056 in words is "four hundred seven million, two hundred ninety-seven thousand, fifty-six".