386269887 has 4 divisors (see below), whose sum is σ = 515026520. Its totient is φ = 257513256.

The previous prime is 386269861. The next prime is 386269907. The reversal of 386269887 is 788962683.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 386269887 - 2⁶ = 386269823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386269837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64378312 + ... + 64378317.

It is an arithmetic number, because the mean of its divisors is an integer number (128756630).

Almost surely, 2^386269887 is an apocalyptic number.

386269887 is a deficient number, since it is larger than the sum of its proper divisors (128756633).

386269887 is a wasteful number, since it uses less digits than its factorization.

386269887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128756632.

The product of its digits is 6967296, while the sum is 57.

The square root of 386269887 is about 19653.7499475291. The cubic root of 386269887 is about 728.2775974864.

The spelling of 386269887 in words is "three hundred eighty-six million, two hundred sixty-nine thousand, eight hundred eighty-seven".