1969801 has 2 divisors, whose sum is σ = 1969802. Its totient is φ = 1969800.

The previous prime is 1969777. The next prime is 1969811. The reversal of 1969801 is 1089691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 9801 = 1400^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 1969801 - 2¹¹ = 1967753 is a prime.

It is not a weakly prime, because it can be changed into another prime (1969811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984900 + 984901.

It is an arithmetic number, because the mean of its divisors is an integer number (984901).

2^1969801 is an apocalyptic number.

It is an amenable number.

1969801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969801 is an equidigital number, since it uses as much as digits as its factorization.

1969801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1969801 is about 1403.4959921567. The cubic root of 1969801 is about 125.3547469511.

It can be divided in two parts, 196 and 9801, that multiplied together give a square (1920996 = 1386²).

The spelling of 1969801 in words is "one million, nine hundred sixty-nine thousand, eight hundred one".