3390309647 has 2 divisors, whose sum is σ = 3390309648. Its totient is φ = 3390309646.

The previous prime is 3390309623. The next prime is 3390309697. The reversal of 3390309647 is 7469030933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3390309647 - 2²⁸ = 3121874191 is a prime.

It is a super-2 number, since 2×3390309647² = 22988399005082529218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3390309598 and 3390309607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3390309607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695154823 + 1695154824.

It is an arithmetic number, because the mean of its divisors is an integer number (1695154824).

Almost surely, 2^3390309647 is an apocalyptic number.

3390309647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3390309647 is an equidigital number, since it uses as much as digits as its factorization.

3390309647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 44.

The square root of 3390309647 is about 58226.3655657813. The cubic root of 3390309647 is about 1502.2646749627.

The spelling of 3390309647 in words is "three billion, three hundred ninety million, three hundred nine thousand, six hundred forty-seven".