3954343536 has 400 divisors, whose sum is σ = 14166176640. Its totient is φ = 1046960640.

The previous prime is 3954343507. The next prime is 3954343537. The reversal of 3954343536 is 6353434593.

3954343536 is a `hidden beast` number, since 39 + 5 + 43 + 43 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3954343491 and 3954343500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954343537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3520671 + ... + 3521793.

Almost surely, 2^3954343536 is an apocalyptic number.

3954343536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954343536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7083088320).

3954343536 is an abundant number, since it is smaller than the sum of its proper divisors (10211833104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3954343536 is a wasteful number, since it uses less digits than its factorization.

3954343536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1171 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 45.

The square root of 3954343536 is about 62883.5712726305. The cubic root of 3954343536 is about 1581.3383330158.

The spelling of 3954343536 in words is "three billion, nine hundred fifty-four million, three hundred forty-three thousand, five hundred thirty-six".