386473429 has 4 divisors (see below), whose sum is σ = 388476076. Its totient is φ = 384470784.

The previous prime is 386473391. The next prime is 386473441. The reversal of 386473429 is 924374683.

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

It can be written as a sum of positive squares in 2 ways, for example, as 119902500 + 266570929 = 10950^2 + 16327^2 .

It is a cyclic number.

It is not a de Polignac number, because 386473429 - 2¹⁵ = 386440661 is a prime.

It is a super-2 number, since 2×386473429² = 298723422646036082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386473499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001034 + ... + 1001419.

It is an arithmetic number, because the mean of its divisors is an integer number (97119019).

Almost surely, 2^386473429 is an apocalyptic number.

It is an amenable number.

386473429 is a deficient number, since it is larger than the sum of its proper divisors (2002647).

386473429 is a wasteful number, since it uses less digits than its factorization.

386473429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002646.

The product of its digits is 870912, while the sum is 46.

The square root of 386473429 is about 19658.9274631146. The cubic root of 386473429 is about 728.4054951510.

The spelling of 386473429 in words is "three hundred eighty-six million, four hundred seventy-three thousand, four hundred twenty-nine".