389225829 has 32 divisors (see below), whose sum is σ = 567008640. Its totient is φ = 236500992.

The previous prime is 389225827. The next prime is 389225831. The reversal of 389225829 is 928522983.

It is an interprime number because it is at equal distance from previous prime (389225827) and next prime (389225831).

It is not a de Polignac number, because 389225829 - 2¹ = 389225827 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389225827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590302 + ... + 590960.

It is an arithmetic number, because the mean of its divisors is an integer number (17719020).

Almost surely, 2^389225829 is an apocalyptic number.

It is an amenable number.

389225829 is a deficient number, since it is larger than the sum of its proper divisors (177782811).

389225829 is a wasteful number, since it uses less digits than its factorization.

389225829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029.

The product of its digits is 622080, while the sum is 48.

The square root of 389225829 is about 19728.8070850723. The cubic root of 389225829 is about 730.1306008906.

The spelling of 389225829 in words is "three hundred eighty-nine million, two hundred twenty-five thousand, eight hundred twenty-nine".