3627401 has 2 divisors, whose sum is σ = 3627402. Its totient is φ = 3627400.

The previous prime is 3627391. The next prime is 3627427. The reversal of 3627401 is 1047263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2637376 + 990025 = 1624^2 + 995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3627401 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₂₅₈₆₀₂ and since 3627401 and 258602 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3627451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813700 + 1813701.

It is an arithmetic number, because the mean of its divisors is an integer number (1813701).

Almost surely, 2^3627401 is an apocalyptic number.

It is an amenable number.

3627401 is a deficient number, since it is larger than the sum of its proper divisors (1).

3627401 is an equidigital number, since it uses as much as digits as its factorization.

3627401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3627401 is about 1904.5737055835. The cubic root of 3627401 is about 153.6497493518.

The spelling of 3627401 in words is "three million, six hundred twenty-seven thousand, four hundred one".