389499135 has 64 divisors (see below), whose sum is σ = 669247488. Its totient is φ = 193019904.

The previous prime is 389499133. The next prime is 389499137. The reversal of 389499135 is 531994983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (389499133) and next prime (389499137).

It is not a de Polignac number, because 389499135 - 2¹ = 389499133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389499133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3446839 + ... + 3446951.

It is an arithmetic number, because the mean of its divisors is an integer number (10456992).

Almost surely, 2^389499135 is an apocalyptic number.

389499135 is a deficient number, since it is larger than the sum of its proper divisors (279748353).

389499135 is a wasteful number, since it uses less digits than its factorization.

389499135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344.

The product of its digits is 1049760, while the sum is 51.

The square root of 389499135 is about 19735.7324414373. The cubic root of 389499135 is about 730.3014549048.

It can be divided in two parts, 38949 and 9135, that added together give a palindrome (48084).

The spelling of 389499135 in words is "three hundred eighty-nine million, four hundred ninety-nine thousand, one hundred thirty-five".