3658340761 has 8 divisors (see below), whose sum is σ = 3741281640. Its totient is φ = 3576287232.

The previous prime is 3658340753. The next prime is 3658340771. The reversal of 3658340761 is 1670438563.

It can be written as a sum of positive squares in 4 ways, for example, as 1115136 + 3657225625 = 1056^2 + 60475^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3658340761 - 2³ = 3658340753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3658340771) 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, 213496 + ... + 229993.

It is an arithmetic number, because the mean of its divisors is an integer number (467660205).

Almost surely, 2^3658340761 is an apocalyptic number.

It is an amenable number.

3658340761 is a deficient number, since it is larger than the sum of its proper divisors (82940879).

3658340761 is a wasteful number, since it uses less digits than its factorization.

3658340761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443675.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 3658340761 is about 60484.2191071357. The cubic root of 3658340761 is about 1540.8536281935.

The spelling of 3658340761 in words is "three billion, six hundred fifty-eight million, three hundred forty thousand, seven hundred sixty-one".