3667601 has 18 divisors (see below), whose sum is σ = 4468230. Its totient is φ = 3001152.

The previous prime is 3667591. The next prime is 3667621. The reversal of 3667601 is 1067663.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 226576 + 3441025 = 476^2 + 1855^2 .

It is not a de Polignac number, because 3667601 - 2⁶ = 3667537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3667621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41165 + ... + 41253.

It is an arithmetic number, because the mean of its divisors is an integer number (248235).

Almost surely, 2^3667601 is an apocalyptic number.

It is an amenable number.

3667601 is a deficient number, since it is larger than the sum of its proper divisors (800629).

3667601 is an equidigital number, since it uses as much as digits as its factorization.

3667601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 3667601 is about 1915.0981698075. The cubic root of 3667601 is about 154.2152636990.

The spelling of 3667601 in words is "three million, six hundred sixty-seven thousand, six hundred one".