386226845 has 8 divisors (see below), whose sum is σ = 463681464. Its totient is φ = 308841984.

The previous prime is 386226839. The next prime is 386226853. The reversal of 386226845 is 548622683.

It can be written as a sum of positive squares in 4 ways, for example, as 71199844 + 315027001 = 8438^2 + 17749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 386226845 - 2⁶ = 386226781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386226796 and 386226805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4364 + ... + 28133.

It is an arithmetic number, because the mean of its divisors is an integer number (57960183).

Almost surely, 2^386226845 is an apocalyptic number.

It is an amenable number.

386226845 is a deficient number, since it is larger than the sum of its proper divisors (77454619).

386226845 is a wasteful number, since it uses less digits than its factorization.

386226845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34879.

The product of its digits is 552960, while the sum is 44.

The square root of 386226845 is about 19652.6549097062. The cubic root of 386226845 is about 728.2505458577.

The spelling of 386226845 in words is "three hundred eighty-six million, two hundred twenty-six thousand, eight hundred forty-five".