386891001 has 48 divisors (see below), whose sum is σ = 663586560. Its totient is φ = 212526720.

The previous prime is 386890997. The next prime is 386891003. The reversal of 386891001 is 100198683.

It is not a de Polignac number, because 386891001 - 2² = 386890997 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (386891003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 768916 + ... + 769418.

It is an arithmetic number, because the mean of its divisors is an integer number (13824720).

Almost surely, 2^386891001 is an apocalyptic number.

It is an amenable number.

386891001 is a deficient number, since it is larger than the sum of its proper divisors (276695559).

386891001 is a wasteful number, since it uses less digits than its factorization.

386891001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 386891001 is about 19669.5450125314. The cubic root of 386891001 is about 728.6677402254.

The spelling of 386891001 in words is "three hundred eighty-six million, eight hundred ninety-one thousand, one".