407479297 has 2 divisors, whose sum is σ = 407479298. Its totient is φ = 407479296.

The previous prime is 407479277. The next prime is 407479321. The reversal of 407479297 is 792974704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407070976 + 408321 = 20176^2 + 639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-407479297 is a prime.

It is a super-2 number, since 2×407479297² = 332078754967228418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 407479297.

It is not a weakly prime, because it can be changed into another prime (407479277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203739648 + 203739649.

It is an arithmetic number, because the mean of its divisors is an integer number (203739649).

Almost surely, 2^407479297 is an apocalyptic number.

It is an amenable number.

407479297 is a deficient number, since it is larger than the sum of its proper divisors (1).

407479297 is an equidigital number, since it uses as much as digits as its factorization.

407479297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 407479297 is about 20186.1164417527. The cubic root of 407479297 is about 741.3702982072.

The spelling of 407479297 in words is "four hundred seven million, four hundred seventy-nine thousand, two hundred ninety-seven".