3954649347 has 12 divisors (see below), whose sum is σ = 6231568824. Its totient is φ = 2396757120.

The previous prime is 3954649297. The next prime is 3954649373. The reversal of 3954649347 is 7439464593.

It is a happy number.

3954649347 is a `hidden beast` number, since 3 + 9 + 546 + 4 + 93 + 4 + 7 = 666.

It is not a de Polignac number, because 3954649347 - 2¹⁰ = 3954648323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3954649293 and 3954649302.

It is not an unprimeable number, because it can be changed into a prime (3954649247) 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 11 ways as a sum of consecutive naturals, for example, 19972878 + ... + 19973075.

It is an arithmetic number, because the mean of its divisors is an integer number (519297402).

Almost surely, 2^3954649347 is an apocalyptic number.

3954649347 is a deficient number, since it is larger than the sum of its proper divisors (2276919477).

3954649347 is a wasteful number, since it uses less digits than its factorization.

3954649347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39945970 (or 39945967 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 3954649347 is about 62886.0027907642. The cubic root of 3954649347 is about 1581.3790964773.

The spelling of 3954649347 in words is "three billion, nine hundred fifty-four million, six hundred forty-nine thousand, three hundred forty-seven".