1939349 has 4 divisors (see below), whose sum is σ = 2041440. Its totient is φ = 1837260.

The previous prime is 1939339. The next prime is 1939351. The reversal of 1939349 is 9439391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9439391 = 13 ⋅726107.

It is a cyclic number.

It is not a de Polignac number, because 1939349 - 2¹² = 1935253 is a prime.

It is a super-2 number, since 2×1939349² = 7522149087602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51017 + ... + 51054.

It is an arithmetic number, because the mean of its divisors is an integer number (510360).

2^1939349 is an apocalyptic number.

1939349 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1939349 is a deficient number, since it is larger than the sum of its proper divisors (102091).

1939349 is a wasteful number, since it uses less digits than its factorization.

1939349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102090.

The product of its digits is 26244, while the sum is 38.

The square root of 1939349 is about 1392.6051127294. The cubic root of 1939349 is about 124.7054183184.

The spelling of 1939349 in words is "one million, nine hundred thirty-nine thousand, three hundred forty-nine".