1939097 has 2 divisors, whose sum is σ = 1939098. Its totient is φ = 1939096.

The previous prime is 1939073. The next prime is 1939103. The reversal of 1939097 is 7909391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1201216 + 737881 = 1096^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 1939097 - 2⁶ = 1939033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1939097.

It is not a weakly prime, because it can be changed into another prime (1939057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969548 + 969549.

It is an arithmetic number, because the mean of its divisors is an integer number (969549).

2^1939097 is an apocalyptic number.

It is an amenable number.

1939097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939097 is an equidigital number, since it uses as much as digits as its factorization.

1939097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 1939097 is about 1392.5146318800. The cubic root of 1939097 is about 124.7000166558.

It can be divided in two parts, 19390 and 97, that multiplied together give a triangular number (1880830 = T₁₉₃₉).

The spelling of 1939097 in words is "one million, nine hundred thirty-nine thousand, ninety-seven".