1939193 has 6 divisors (see below), whose sum is σ = 1971402. Its totient is φ = 1907360.

The previous prime is 1939187. The next prime is 1939229. The reversal of 1939193 is 3919391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1098304 + 840889 = 1048^2 + 917^2 .

It is not a de Polignac number, because 1939193 - 2¹⁶ = 1873657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1939103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14738 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (328567).

2^1939193 is an apocalyptic number.

It is an amenable number.

1939193 is a deficient number, since it is larger than the sum of its proper divisors (32209).

1939193 is an equidigital number, since it uses as much as digits as its factorization.

1939193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 244 counting only the distinct ones).

The product of its digits is 6561, while the sum is 35.

The square root of 1939193 is about 1392.5491014682. The cubic root of 1939193 is about 124.7020744872.

The spelling of 1939193 in words is "one million, nine hundred thirty-nine thousand, one hundred ninety-three".