408972607 has 2 divisors, whose sum is σ = 408972608. Its totient is φ = 408972606.

The previous prime is 408972589. The next prime is 408972617. The reversal of 408972607 is 706279804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408972607 - 2¹¹ = 408970559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408972617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204486303 + 204486304.

It is an arithmetic number, because the mean of its divisors is an integer number (204486304).

Almost surely, 2^408972607 is an apocalyptic number.

408972607 is a deficient number, since it is larger than the sum of its proper divisors (1).

408972607 is an equidigital number, since it uses as much as digits as its factorization.

408972607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 408972607 is about 20223.0711564787. The cubic root of 408972607 is about 742.2748398817.

The spelling of 408972607 in words is "four hundred eight million, nine hundred seventy-two thousand, six hundred seven".