389690235 has 48 divisors (see below), whose sum is σ = 780230880. Its totient is φ = 177822720.

The previous prime is 389690183. The next prime is 389690237. The reversal of 389690235 is 532096983.

It is not a de Polignac number, because 389690235 - 2¹⁶ = 389624699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (389690237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14740 + ... + 31569.

It is an arithmetic number, because the mean of its divisors is an integer number (16254810).

Almost surely, 2^389690235 is an apocalyptic number.

389690235 is an abundant number, since it is smaller than the sum of its proper divisors (390540645).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389690235 is a wasteful number, since it uses less digits than its factorization.

389690235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46348 (or 46345 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 389690235 is about 19740.5733199419. The cubic root of 389690235 is about 730.4208713360.

The spelling of 389690235 in words is "three hundred eighty-nine million, six hundred ninety thousand, two hundred thirty-five".