386753994 has 64 divisors (see below), whose sum is σ = 945509760. Its totient is φ = 117176400.

The previous prime is 386753963. The next prime is 386754019. The reversal of 386753994 is 499357683.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 386753994.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69184 + ... + 74564.

It is an arithmetic number, because the mean of its divisors is an integer number (14773590).

Almost surely, 2^386753994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386753994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472754880).

386753994 is an abundant number, since it is smaller than the sum of its proper divisors (558755766).

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

386753994 is a wasteful number, since it uses less digits than its factorization.

386753994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425 (or 5397 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The square root of 386753994 is about 19666.0619850544. The cubic root of 386753994 is about 728.5817174029.

The spelling of 386753994 in words is "three hundred eighty-six million, seven hundred fifty-three thousand, nine hundred ninety-four".