4188901 has 2 divisors, whose sum is σ = 4188902. Its totient is φ = 4188900.

The previous prime is 4188893. The next prime is 4188971. The reversal of 4188901 is 1098814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 184900 = 2001^2 + 430^2 .

It is a cyclic number.

It is not a de Polignac number, because 4188901 - 2³ = 4188893 is a prime.

It is a Chen prime.

4188901 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4188971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094450 + 2094451.

It is an arithmetic number, because the mean of its divisors is an integer number (2094451).

Almost surely, 2^4188901 is an apocalyptic number.

It is an amenable number.

4188901 is a deficient number, since it is larger than the sum of its proper divisors (1).

4188901 is an equidigital number, since it uses as much as digits as its factorization.

4188901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 4188901 is about 2046.6804831238. The cubic root of 4188901 is about 161.2006166507.

The spelling of 4188901 in words is "four million, one hundred eighty-eight thousand, nine hundred one".