387261 has 20 divisors (see below), whose sum is σ = 662112. Its totient is φ = 220968.

The previous prime is 387253. The next prime is 387263. The reversal of 387261 is 162783.

387261 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 387261 - 2³ = 387253 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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 19 ways as a sum of consecutive naturals, for example, 226 + ... + 908.

2³⁸⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

387261 is a deficient number, since it is larger than the sum of its proper divisors (274851).

387261 is an equidigital number, since it uses as much as digits as its factorization.

387261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 693 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 387261 is about 622.3029808703. The cubic root of 387261 is about 72.8899950706.

The spelling of 387261 in words is "three hundred eighty-seven thousand, two hundred sixty-one".