1790401 has 2 divisors, whose sum is σ = 1790402. Its totient is φ = 1790400.

The previous prime is 1790363. The next prime is 1790417. The reversal of 1790401 is 1040971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 230400 = 1249^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 1790401 - 2¹⁹ = 1266113 is a prime.

1790401 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1790501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895200 + 895201.

It is an arithmetic number, because the mean of its divisors is an integer number (895201).

2^1790401 is an apocalyptic number.

It is an amenable number.

1790401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790401 is an equidigital number, since it uses as much as digits as its factorization.

1790401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1790401 is about 1338.0586683700. The cubic root of 1790401 is about 121.4274208492.

The spelling of 1790401 in words is "one million, seven hundred ninety thousand, four hundred one".