386166649 has 8 divisors (see below), whose sum is σ = 421418592. Its totient is φ = 350939040.

The previous prime is 386166643. The next prime is 386166653. The reversal of 386166649 is 946661683.

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 386166649 - 2¹³ = 386158457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386166643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48237 + ... + 55669.

It is an arithmetic number, because the mean of its divisors is an integer number (52677324).

Almost surely, 2^386166649 is an apocalyptic number.

It is an amenable number.

386166649 is a deficient number, since it is larger than the sum of its proper divisors (35251943).

386166649 is a wasteful number, since it uses less digits than its factorization.

386166649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167.

The product of its digits is 1119744, while the sum is 49.

The square root of 386166649 is about 19651.1233521140. The cubic root of 386166649 is about 728.2127096758.

The spelling of 386166649 in words is "three hundred eighty-six million, one hundred sixty-six thousand, six hundred forty-nine".