3626401 has 2 divisors, whose sum is σ = 3626402. Its totient is φ = 3626400.

The previous prime is 3626383. The next prime is 3626417. The reversal of 3626401 is 1046263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1002001 = 1620^2 + 1001^2 .

It is an emirp because it is prime and its reverse (1046263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3626401 - 2¹¹ = 3624353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3626431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813200 + 1813201.

It is an arithmetic number, because the mean of its divisors is an integer number (1813201).

Almost surely, 2^3626401 is an apocalyptic number.

It is an amenable number.

3626401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3626401 is an equidigital number, since it uses as much as digits as its factorization.

3626401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3626401 is about 1904.3111615490. The cubic root of 3626401 is about 153.6356286934.

The spelling of 3626401 in words is "three million, six hundred twenty-six thousand, four hundred one".