386992226 has 4 divisors (see below), whose sum is σ = 580488342. Its totient is φ = 193496112.

The previous prime is 386992223. The next prime is 386992253. The reversal of 386992226 is 622299683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622299683 = 101 ⋅6161383.

It can be written as a sum of positive squares in only one way, i.e., 240219001 + 146773225 = 15499^2 + 12115^2 .

It is not an unprimeable number, because it can be changed into a prime (386992223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96748055 + ... + 96748058.

Almost surely, 2^386992226 is an apocalyptic number.

386992226 is a deficient number, since it is larger than the sum of its proper divisors (193496116).

386992226 is a wasteful number, since it uses less digits than its factorization.

386992226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193496115.

The product of its digits is 559872, while the sum is 47.

The square root of 386992226 is about 19672.1179845994. The cubic root of 386992226 is about 728.7312834973.

The spelling of 386992226 in words is "three hundred eighty-six million, nine hundred ninety-two thousand, two hundred twenty-six".