387265 has 8 divisors (see below), whose sum is σ = 471528. Its totient is φ = 305280.

The previous prime is 387263. The next prime is 387269. The reversal of 387265 is 562783.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 318096 = 263^2 + 564^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387265 - 2¹ = 387263 is a prime.

It is a Duffinian number.

387265 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 895.

It is an arithmetic number, because the mean of its divisors is an integer number (58941).

2³⁸⁷²⁶⁵ is an apocalyptic number.

It is an amenable number.

387265 is a deficient number, since it is larger than the sum of its proper divisors (84263).

387265 is a wasteful number, since it uses less digits than its factorization.

387265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 10080, while the sum is 31.

The square root of 387265 is about 622.3061947305. The cubic root of 387265 is about 72.8902460288.

The spelling of 387265 in words is "three hundred eighty-seven thousand, two hundred sixty-five".