3961340582 has 4 divisors (see below), whose sum is σ = 5942010876. Its totient is φ = 1980670290.

The previous prime is 3961340569. The next prime is 3961340587. The reversal of 3961340582 is 2850431693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2850431693 = 163 ⋅17487311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961340587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990335144 + ... + 990335147.

It is an arithmetic number, because the mean of its divisors is an integer number (1485502719).

Almost surely, 2^3961340582 is an apocalyptic number.

3961340582 is a deficient number, since it is larger than the sum of its proper divisors (1980670294).

3961340582 is a wasteful number, since it uses less digits than its factorization.

3961340582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980670293.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 3961340582 is about 62939.1816120928. The cubic root of 3961340582 is about 1582.2704875096.

The spelling of 3961340582 in words is "three billion, nine hundred sixty-one million, three hundred forty thousand, five hundred eighty-two".