3896226945 has 24 divisors (see below), whose sum is σ = 7272958056. Its totient is φ = 1918142208.

The previous prime is 3896226941. The next prime is 3896226977. The reversal of 3896226945 is 5496226983.

It is a happy number.

3896226945 is a `hidden beast` number, since 3 + 8 + 9 + 622 + 6 + 9 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 683717904 + 3212509041 = 26148^2 + 56679^2 .

It is not a de Polignac number, because 3896226945 - 2² = 3896226941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3896226891 and 3896226900.

It is not an unprimeable number, because it can be changed into a prime (3896226941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3329524 + ... + 3330693.

It is an arithmetic number, because the mean of its divisors is an integer number (303039919).

Almost surely, 2^3896226945 is an apocalyptic number.

It is an amenable number.

3896226945 is a deficient number, since it is larger than the sum of its proper divisors (3376731111).

3896226945 is a wasteful number, since it uses less digits than its factorization.

3896226945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660241 (or 6660238 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 3896226945 is about 62419.7640575483. The cubic root of 3896226945 is about 1573.5531444369.

The spelling of 3896226945 in words is "three billion, eight hundred ninety-six million, two hundred twenty-six thousand, nine hundred forty-five".