386740274 has 4 divisors (see below), whose sum is σ = 580110414. Its totient is φ = 193370136.

The previous prime is 386740267. The next prime is 386740297. The reversal of 386740274 is 472047683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363169249 + 23571025 = 19057^2 + 4855^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96685067 + ... + 96685070.

Almost surely, 2^386740274 is an apocalyptic number.

386740274 is a deficient number, since it is larger than the sum of its proper divisors (193370140).

386740274 is a wasteful number, since it uses less digits than its factorization.

386740274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193370139.

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 386740274 is about 19665.7131576762. The cubic root of 386740274 is about 728.5731018837.

The spelling of 386740274 in words is "three hundred eighty-six million, seven hundred forty thousand, two hundred seventy-four".