386449752 has 32 divisors (see below), whose sum is σ = 1040442480. Its totient is φ = 118907520.

The previous prime is 386449741. The next prime is 386449757. The reversal of 386449752 is 257944683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386449757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618999 + ... + 619622.

Almost surely, 2^386449752 is an apocalyptic number.

It is an amenable number.

386449752 is an abundant number, since it is smaller than the sum of its proper divisors (653992728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386449752 is a wasteful number, since it uses less digits than its factorization.

386449752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238643 (or 1238639 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 386449752 is about 19658.3252592890. The cubic root of 386449752 is about 728.3906197781.

The spelling of 386449752 in words is "three hundred eighty-six million, four hundred forty-nine thousand, seven hundred fifty-two".