340060621 has 2 divisors, whose sum is σ = 340060622. Its totient is φ = 340060620.

The previous prime is 340060579. The next prime is 340060631. The reversal of 340060621 is 126060043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262796521 + 77264100 = 16211^2 + 8790^2 .

It is a cyclic number.

It is not a de Polignac number, because 340060621 - 2⁷ = 340060493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340060592 and 340060601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340060631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170030310 + 170030311.

It is an arithmetic number, because the mean of its divisors is an integer number (170030311).

Almost surely, 2^340060621 is an apocalyptic number.

It is an amenable number.

340060621 is a deficient number, since it is larger than the sum of its proper divisors (1).

340060621 is an equidigital number, since it uses as much as digits as its factorization.

340060621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 340060621 is about 18440.7326589808. The cubic root of 340060621 is about 697.9946832270.

The spelling of 340060621 in words is "three hundred forty million, sixty thousand, six hundred twenty-one".