3658761 has 12 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 2426904.

The previous prime is 3658751. The next prime is 3658769. The reversal of 3658761 is 1678563.

3658761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3658761 - 2⁵ = 3658729 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

3658761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3658769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (442624).

Almost surely, 2^3658761 is an apocalyptic number.

It is an amenable number.

3658761 is a deficient number, since it is larger than the sum of its proper divisors (1652727).

3658761 is a wasteful number, since it uses less digits than its factorization.

3658761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2049 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3658761 is about 1912.7888017238. The cubic root of 3658761 is about 154.0912625978.

The spelling of 3658761 in words is "three million, six hundred fifty-eight thousand, seven hundred sixty-one".