387335461 has 2 divisors, whose sum is σ = 387335462. Its totient is φ = 387335460.

The previous prime is 387335449. The next prime is 387335467. The reversal of 387335461 is 164533783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346183236 + 41152225 = 18606^2 + 6415^2 .

It is a cyclic number.

It is not a de Polignac number, because 387335461 - 2⁹ = 387334949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387335467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193667730 + 193667731.

It is an arithmetic number, because the mean of its divisors is an integer number (193667731).

Almost surely, 2^387335461 is an apocalyptic number.

It is an amenable number.

387335461 is a deficient number, since it is larger than the sum of its proper divisors (1).

387335461 is an equidigital number, since it uses as much as digits as its factorization.

387335461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 387335461 is about 19680.8399465063. The cubic root of 387335461 is about 728.9466643703.

The spelling of 387335461 in words is "three hundred eighty-seven million, three hundred thirty-five thousand, four hundred sixty-one".