386449753 has 4 divisors (see below), whose sum is σ = 386691840. Its totient is φ = 386207668.

The previous prime is 386449741. The next prime is 386449757. The reversal of 386449753 is 357944683.

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: 357944683 = 199 ⋅1798717.

It is a cyclic number.

It is not a de Polignac number, because 386449753 - 2⁹ = 386449241 is a prime.

It is a super-2 number, since 2×386449753² = 298686823187522018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386449697 and 386449706.

It is not an unprimeable number, because it can be changed into a prime (386449757) 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, 118633 + ... + 121846.

It is an arithmetic number, because the mean of its divisors is an integer number (96672960).

Almost surely, 2^386449753 is an apocalyptic number.

It is an amenable number.

386449753 is a deficient number, since it is larger than the sum of its proper divisors (242087).

386449753 is a wasteful number, since it uses less digits than its factorization.

386449753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242086.

The product of its digits is 2177280, while the sum is 49.

The square root of 386449753 is about 19658.3252847235. The cubic root of 386449753 is about 728.3906204063.

The spelling of 386449753 in words is "three hundred eighty-six million, four hundred forty-nine thousand, seven hundred fifty-three".