387488473 has 2 divisors, whose sum is σ = 387488474. Its totient is φ = 387488472.

The previous prime is 387488461. The next prime is 387488483. The reversal of 387488473 is 374884783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210917529 + 176570944 = 14523^2 + 13288^2 .

It is a cyclic number.

It is not a de Polignac number, because 387488473 - 2⁵ = 387488441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 387488473.

It is not a weakly prime, because it can be changed into another prime (387488483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193744236 + 193744237.

It is an arithmetic number, because the mean of its divisors is an integer number (193744237).

Almost surely, 2^387488473 is an apocalyptic number.

It is an amenable number.

387488473 is a deficient number, since it is larger than the sum of its proper divisors (1).

387488473 is an equidigital number, since it uses as much as digits as its factorization.

387488473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 52.

The square root of 387488473 is about 19684.7268967593. The cubic root of 387488473 is about 729.0426388027.

The spelling of 387488473 in words is "three hundred eighty-seven million, four hundred eighty-eight thousand, four hundred seventy-three".