3961341720 has 128 divisors (see below), whose sum is σ = 15090854400. Its totient is φ = 905447808.

The previous prime is 3961341707. The next prime is 3961341733. The reversal of 3961341720 is 271431693.

3961341720 is a `hidden beast` number, since 3 + 9 + 613 + 4 + 17 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3961341707) and next prime (3961341733).

It is a super-2 number, since 2×3961341720² = 31384456445225116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254434 + ... + 269553.

It is an arithmetic number, because the mean of its divisors is an integer number (117897300).

Almost surely, 2^3961341720 is an apocalyptic number.

3961341720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3961341720 is an abundant number, since it is smaller than the sum of its proper divisors (11129512680).

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

3961341720 is a wasteful number, since it uses less digits than its factorization.

3961341720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524014 (or 524004 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3961341720 is about 62939.1906525656. The cubic root of 3961341720 is about 1582.2706390260.

The spelling of 3961341720 in words is "three billion, nine hundred sixty-one million, three hundred forty-one thousand, seven hundred twenty".