386888964 has 96 divisors (see below), whose sum is σ = 1129261056. Its totient is φ = 100154880.

The previous prime is 386888927. The next prime is 386888987. The reversal of 386888964 is 469888683.

It is a junction number, because it is equal to n+sod(n) for n = 386888898 and 386888907.

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, 399609 + ... + 400575.

It is an arithmetic number, because the mean of its divisors is an integer number (11763136).

Almost surely, 2^386888964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386888964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564630528).

386888964 is an abundant number, since it is smaller than the sum of its proper divisors (742372092).

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

386888964 is a wasteful number, since it uses less digits than its factorization.

386888964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The square root of 386888964 is about 19669.4932319061. The cubic root of 386888964 is about 728.6664613994. Note that the first 3 decimals are identical.

The spelling of 386888964 in words is "three hundred eighty-six million, eight hundred eighty-eight thousand, nine hundred sixty-four".