3906302247 has 16 divisors (see below), whose sum is σ = 5794145280. Its totient is φ = 2601037656.

The previous prime is 3906302237. The next prime is 3906302249. The reversal of 3906302247 is 7422036093.

It is a happy number.

It is not a de Polignac number, because 3906302247 - 2⁷ = 3906302119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3906302249) 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 15 ways as a sum of consecutive naturals, for example, 65143 + ... + 109800.

It is an arithmetic number, because the mean of its divisors is an integer number (362134080).

Almost surely, 2^3906302247 is an apocalyptic number.

3906302247 is a deficient number, since it is larger than the sum of its proper divisors (1887843033).

3906302247 is a wasteful number, since it uses less digits than its factorization.

3906302247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175779 (or 175773 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 3906302247 is about 62500.4179746024. The cubic root of 3906302247 is about 1574.9083338941.

It can be divided in two parts, 3906 and 302247, that added together give a triangular number (306153 = T₇₈₂).

The spelling of 3906302247 in words is "three billion, nine hundred six million, three hundred two thousand, two hundred forty-seven".