34320487 has 2 divisors, whose sum is σ = 34320488. Its totient is φ = 34320486.

The previous prime is 34320463. The next prime is 34320509. The reversal of 34320487 is 78402343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34320487 - 2¹⁹ = 33796199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34320457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17160243 + 17160244.

It is an arithmetic number, because the mean of its divisors is an integer number (17160244).

Almost surely, 2^34320487 is an apocalyptic number.

34320487 is a deficient number, since it is larger than the sum of its proper divisors (1).

34320487 is an equidigital number, since it uses as much as digits as its factorization.

34320487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 34320487 is about 5858.3689709679. The cubic root of 34320487 is about 324.9758940700.

The spelling of 34320487 in words is "thirty-four million, three hundred twenty thousand, four hundred eighty-seven".