3944506461 has 8 divisors (see below), whose sum is σ = 6010676544. Its totient is φ = 2254003680.

The previous prime is 3944506453. The next prime is 3944506493. The reversal of 3944506461 is 1646054493.

It is a happy number.

3944506461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3944506461 - 2³ = 3944506453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944506411) 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 7 ways as a sum of consecutive naturals, for example, 93916800 + ... + 93916841.

It is an arithmetic number, because the mean of its divisors is an integer number (751334568).

Almost surely, 2^3944506461 is an apocalyptic number.

It is an amenable number.

3944506461 is a deficient number, since it is larger than the sum of its proper divisors (2066170083).

3944506461 is a wasteful number, since it uses less digits than its factorization.

3944506461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187833651.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 3944506461 is about 62805.3059940002. The cubic root of 3944506461 is about 1580.0259650970.

The spelling of 3944506461 in words is "three billion, nine hundred forty-four million, five hundred six thousand, four hundred sixty-one".