939786349 has 2 divisors, whose sum is σ = 939786350. Its totient is φ = 939786348.

The previous prime is 939786293. The next prime is 939786391. The reversal of 939786349 is 943687939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897302025 + 42484324 = 29955^2 + 6518^2 .

It is a cyclic number.

It is not a de Polignac number, because 939786349 - 2¹³ = 939778157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 939786293 and 939786302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (939786649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469893174 + 469893175.

It is an arithmetic number, because the mean of its divisors is an integer number (469893175).

Almost surely, 2^939786349 is an apocalyptic number.

It is an amenable number.

939786349 is a deficient number, since it is larger than the sum of its proper divisors (1).

939786349 is an equidigital number, since it uses as much as digits as its factorization.

939786349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 58.

The square root of 939786349 is about 30655.9349718778. The cubic root of 939786349 is about 979.5118869389.

The spelling of 939786349 in words is "nine hundred thirty-nine million, seven hundred eighty-six thousand, three hundred forty-nine".