3678601 has 2 divisors, whose sum is σ = 3678602. Its totient is φ = 3678600.

The previous prime is 3678599. The next prime is 3678617. The reversal of 3678601 is 1068763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3404025 + 274576 = 1845^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678601 - 2¹ = 3678599 is a prime.

Together with 3678599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3678671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839300 + 1839301.

It is an arithmetic number, because the mean of its divisors is an integer number (1839301).

Almost surely, 2^3678601 is an apocalyptic number.

It is an amenable number.

3678601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678601 is an equidigital number, since it uses as much as digits as its factorization.

3678601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3678601 is about 1917.9679350813. The cubic root of 3678601 is about 154.3692857955.

The spelling of 3678601 in words is "three million, six hundred seventy-eight thousand, six hundred one".