907806049 has 2 divisors, whose sum is σ = 907806050. Its totient is φ = 907806048.

The previous prime is 907806023. The next prime is 907806121. The reversal of 907806049 is 940608709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792028449 + 115777600 = 28143^2 + 10760^2 .

It is a cyclic number.

It is not a de Polignac number, because 907806049 - 2⁹ = 907805537 is a prime.

It is a super-2 number, since 2×907806049² = 1648223645201980802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 907805996 and 907806014.

It is not a weakly prime, because it can be changed into another prime (907866049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453903024 + 453903025.

It is an arithmetic number, because the mean of its divisors is an integer number (453903025).

Almost surely, 2^907806049 is an apocalyptic number.

It is an amenable number.

907806049 is a deficient number, since it is larger than the sum of its proper divisors (1).

907806049 is an equidigital number, since it uses as much as digits as its factorization.

907806049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 907806049 is about 30129.8199297639. The cubic root of 907806049 is about 968.2727077110.

The spelling of 907806049 in words is "nine hundred seven million, eight hundred six thousand, forty-nine".