3713661 has 32 divisors (see below), whose sum is σ = 6432000. Its totient is φ = 2116800.

The previous prime is 3713639. The next prime is 3713681. The reversal of 3713661 is 1663173.

It is not a de Polignac number, because 3713661 - 2⁷ = 3713533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3713621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9061 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (201000).

Almost surely, 2^3713661 is an apocalyptic number.

It is an amenable number.

3713661 is a deficient number, since it is larger than the sum of its proper divisors (2718339).

3713661 is an equidigital number, since it uses as much as digits as its factorization.

3713661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 411 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 3713661 is about 1927.0861423403. The cubic root of 3713661 is about 154.8581567434.

The spelling of 3713661 in words is "three million, seven hundred thirteen thousand, six hundred sixty-one".