340541387 has 2 divisors, whose sum is σ = 340541388. Its totient is φ = 340541386.

The previous prime is 340541353. The next prime is 340541401. The reversal of 340541387 is 783145043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340541387 - 2¹² = 340537291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340541317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170270693 + 170270694.

It is an arithmetic number, because the mean of its divisors is an integer number (170270694).

Almost surely, 2^340541387 is an apocalyptic number.

340541387 is a deficient number, since it is larger than the sum of its proper divisors (1).

340541387 is an equidigital number, since it uses as much as digits as its factorization.

340541387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 340541387 is about 18453.7634914941. The cubic root of 340541387 is about 698.3234619556.

The spelling of 340541387 in words is "three hundred forty million, five hundred forty-one thousand, three hundred eighty-seven".