386400049 has 4 divisors (see below), whose sum is σ = 441600064. Its totient is φ = 331200036.

The previous prime is 386400041. The next prime is 386400059. The reversal of 386400049 is 940004683.

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.

It is a cyclic number.

It is not a de Polignac number, because 386400049 - 2³ = 386400041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386399987 and 386400023.

It is not an unprimeable number, because it can be changed into a prime (386400041) 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, 27599997 + ... + 27600010.

It is an arithmetic number, because the mean of its divisors is an integer number (110400016).

Almost surely, 2^386400049 is an apocalyptic number.

It is an amenable number.

386400049 is a deficient number, since it is larger than the sum of its proper divisors (55200015).

386400049 is an equidigital number, since it uses as much as digits as its factorization.

386400049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55200014.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 386400049 is about 19657.0610468605. The cubic root of 386400049 is about 728.3593912669.

The spelling of 386400049 in words is "three hundred eighty-six million, four hundred thousand, forty-nine".