387314869 has 4 divisors (see below), whose sum is σ = 392770080. Its totient is φ = 381859660.

The previous prime is 387314861. The next prime is 387314887. The reversal of 387314869 is 968413783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 968413783 = 1019 ⋅950357.

It is a cyclic number.

It is not a de Polignac number, because 387314869 - 2³ = 387314861 is a prime.

It is a super-2 number, since 2×387314869² = 300025615496974322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387314861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727499 + ... + 2727640.

It is an arithmetic number, because the mean of its divisors is an integer number (98192520).

Almost surely, 2^387314869 is an apocalyptic number.

It is an amenable number.

387314869 is a deficient number, since it is larger than the sum of its proper divisors (5455211).

387314869 is an equidigital number, since it uses as much as digits as its factorization.

387314869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455210.

The product of its digits is 870912, while the sum is 49.

The square root of 387314869 is about 19680.3167911495. The cubic root of 387314869 is about 728.9337464243.

The spelling of 387314869 in words is "three hundred eighty-seven million, three hundred fourteen thousand, eight hundred sixty-nine".