400970107 has 2 divisors, whose sum is σ = 400970108. Its totient is φ = 400970106.

The previous prime is 400970071. The next prime is 400970111. The reversal of 400970107 is 701079004.

Together with previous prime (400970071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400970107 is a prime.

It is not a weakly prime, because it can be changed into another prime (400970117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200485053 + 200485054.

It is an arithmetic number, because the mean of its divisors is an integer number (200485054).

Almost surely, 2^400970107 is an apocalyptic number.

400970107 is a deficient number, since it is larger than the sum of its proper divisors (1).

400970107 is an equidigital number, since it uses as much as digits as its factorization.

400970107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 400970107 is about 20024.2379879984. The cubic root of 400970107 is about 737.4014696292.

The spelling of 400970107 in words is "four hundred million, nine hundred seventy thousand, one hundred seven".