3430387 has 2 divisors, whose sum is σ = 3430388. Its totient is φ = 3430386.

The previous prime is 3430373. The next prime is 3430391. The reversal of 3430387 is 7830343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3430387 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3430337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715193 + 1715194.

It is an arithmetic number, because the mean of its divisors is an integer number (1715194).

Almost surely, 2^3430387 is an apocalyptic number.

3430387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3430387 is an equidigital number, since it uses as much as digits as its factorization.

3430387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 3430387 is about 1852.1303949776. The cubic root of 3430387 is about 150.8160999680.

The spelling of 3430387 in words is "three million, four hundred thirty thousand, three hundred eighty-seven".