1949201 has 2 divisors, whose sum is σ = 1949202. Its totient is φ = 1949200.

The previous prime is 1949179. The next prime is 1949251. The reversal of 1949201 is 1029491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 30976 = 1385^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1949201 - 2¹⁸ = 1687057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1949251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974600 + 974601.

It is an arithmetic number, because the mean of its divisors is an integer number (974601).

2^1949201 is an apocalyptic number.

It is an amenable number.

1949201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949201 is an equidigital number, since it uses as much as digits as its factorization.

1949201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1949201 is about 1396.1378871730. The cubic root of 1949201 is about 124.9162318758.

The spelling of 1949201 in words is "one million, nine hundred forty-nine thousand, two hundred one".