3390786349 has 2 divisors, whose sum is σ = 3390786350. Its totient is φ = 3390786348.

The previous prime is 3390786307. The next prime is 3390786383. The reversal of 3390786349 is 9436870933.

3390786349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932921225 + 1457865124 = 43965^2 + 38182^2 .

It is a cyclic number.

It is not a de Polignac number, because 3390786349 - 2¹¹ = 3390784301 is a prime.

It is a super-2 number, since 2×3390786349² = 22994864129129499602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3390786296 and 3390786305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3390784349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695393174 + 1695393175.

It is an arithmetic number, because the mean of its divisors is an integer number (1695393175).

Almost surely, 2^3390786349 is an apocalyptic number.

It is an amenable number.

3390786349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3390786349 is an equidigital number, since it uses as much as digits as its factorization.

3390786349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 52.

The square root of 3390786349 is about 58230.4589454694. The cubic root of 3390786349 is about 1502.3350814140.

The spelling of 3390786349 in words is "three billion, three hundred ninety million, seven hundred eighty-six thousand, three hundred forty-nine".