386929423 has 4 divisors (see below), whose sum is σ = 396366768. Its totient is φ = 377492080.

The previous prime is 386929381. The next prime is 386929451. The reversal of 386929423 is 324929683.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386929423 is a prime.

It is a super-2 number, since 2×386929423² = 299428756766225858, 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 (386929463) 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, 4718611 + ... + 4718692.

It is an arithmetic number, because the mean of its divisors is an integer number (99091692).

Almost surely, 2^386929423 is an apocalyptic number.

386929423 is a deficient number, since it is larger than the sum of its proper divisors (9437345).

386929423 is an equidigital number, since it uses as much as digits as its factorization.

386929423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9437344.

The product of its digits is 559872, while the sum is 46.

The square root of 386929423 is about 19670.5216758478. The cubic root of 386929423 is about 728.6918606668.

The spelling of 386929423 in words is "three hundred eighty-six million, nine hundred twenty-nine thousand, four hundred twenty-three".