387450473 has 2 divisors, whose sum is σ = 387450474. Its totient is φ = 387450472.

The previous prime is 387450461. The next prime is 387450487. The reversal of 387450473 is 374054783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380523049 + 6927424 = 19507^2 + 2632^2 .

It is a cyclic number.

It is not a de Polignac number, because 387450473 - 2¹⁰ = 387449449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387450473.

It is not a weakly prime, because it can be changed into another prime (387450403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193725236 + 193725237.

It is an arithmetic number, because the mean of its divisors is an integer number (193725237).

Almost surely, 2^387450473 is an apocalyptic number.

It is an amenable number.

387450473 is a deficient number, since it is larger than the sum of its proper divisors (1).

387450473 is an equidigital number, since it uses as much as digits as its factorization.

387450473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 387450473 is about 19683.7616577726. The cubic root of 387450473 is about 729.0188062435.

The spelling of 387450473 in words is "three hundred eighty-seven million, four hundred fifty thousand, four hundred seventy-three".