4386894957 has 20 divisors (see below), whose sum is σ = 6555671100. Its totient is φ = 2923521984.

The previous prime is 4386894943. The next prime is 4386894997. The reversal of 4386894957 is 7594986834.

4386894957 is a `hidden beast` number, since 438 + 68 + 94 + 9 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4038475401 + 348419556 = 63549^2 + 18666^2 .

It is not a de Polignac number, because 4386894957 - 2⁶ = 4386894893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4386894894 and 4386894903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386894997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 255169 + ... + 271817.

It is an arithmetic number, because the mean of its divisors is an integer number (327783555).

Almost surely, 2^4386894957 is an apocalyptic number.

It is an amenable number.

4386894957 is a deficient number, since it is larger than the sum of its proper divisors (2168776143).

4386894957 is a wasteful number, since it uses less digits than its factorization.

4386894957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914 (or 19905 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 4386894957 is about 66233.6391647024. The cubic root of 4386894957 is about 1637.0140687534.

The spelling of 4386894957 in words is "four billion, three hundred eighty-six million, eight hundred ninety-four thousand, nine hundred fifty-seven".