386161801 has 9 divisors (see below), whose sum is σ = 396218151. Its totient is φ = 376355952.

The previous prime is 386161799. The next prime is 386161889. The reversal of 386161801 is 108161683.

The square root of 386161801 is 19651.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 333975625 + 52186176 = 18275^2 + 7224^2 .

It is not a de Polignac number, because 386161801 - 2¹ = 386161799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386161901) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 844765 + ... + 845221.

It is an arithmetic number, because the mean of its divisors is an integer number (44024239).

Almost surely, 2^386161801 is an apocalyptic number.

386161801 is the 19651-st square number.

386161801 is the 9826-th centered octagonal number.

It is an amenable number.

386161801 is a deficient number, since it is larger than the sum of its proper divisors (10056350).

386161801 is an frugal number, since it uses more digits than its factorization.

386161801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The cubic root of 386161801 is about 728.2096622954.

The spelling of 386161801 in words is "three hundred eighty-six million, one hundred sixty-one thousand, eight hundred one".