389859653 has 4 divisors (see below), whose sum is σ = 389943648. Its totient is φ = 389775660.

The previous prime is 389859649. The next prime is 389859671. The reversal of 389859653 is 356958983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356958983 = 1447 ⋅246689.

It is a cyclic number.

It is not a de Polignac number, because 389859653 - 2² = 389859649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389859053) 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, 34601 + ... + 44462.

It is an arithmetic number, because the mean of its divisors is an integer number (97485912).

Almost surely, 2^389859653 is an apocalyptic number.

It is an amenable number.

389859653 is a deficient number, since it is larger than the sum of its proper divisors (83995).

389859653 is an equidigital number, since it uses as much as digits as its factorization.

389859653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83994.

The product of its digits is 6998400, while the sum is 56.

The square root of 389859653 is about 19744.8639650923. The cubic root of 389859653 is about 730.5267062646.

The spelling of 389859653 in words is "three hundred eighty-nine million, eight hundred fifty-nine thousand, six hundred fifty-three".