3954303656 has 8 divisors (see below), whose sum is σ = 7414319370. Its totient is φ = 1977151824.

The previous prime is 3954303641. The next prime is 3954303677. The reversal of 3954303656 is 6563034593.

It can be written as a sum of positive squares in only one way, i.e., 3935554756 + 18748900 = 62734^2 + 4330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 247143971 + ... + 247143986.

Almost surely, 2^3954303656 is an apocalyptic number.

It is an amenable number.

3954303656 is a deficient number, since it is larger than the sum of its proper divisors (3460015714).

3954303656 is a wasteful number, since it uses less digits than its factorization.

3954303656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494287963 (or 494287959 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 44.

The square root of 3954303656 is about 62883.2541778811. The cubic root of 3954303656 is about 1581.3330170062. Note that the first 3 decimals are identical.

The spelling of 3954303656 in words is "three billion, nine hundred fifty-four million, three hundred three thousand, six hundred fifty-six".