389819701 has 8 divisors (see below), whose sum is σ = 394087608. Its totient is φ = 385560000.

The previous prime is 389819681. The next prime is 389819747. The reversal of 389819701 is 107918983.

It can be written as a sum of positive squares in 4 ways, for example, as 73513476 + 316306225 = 8574^2 + 17785^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389819701 - 2¹³ = 389811509 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 (389819501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162531 + ... + 164911.

It is an arithmetic number, because the mean of its divisors is an integer number (49260951).

Almost surely, 2^389819701 is an apocalyptic number.

It is an amenable number.

389819701 is a deficient number, since it is larger than the sum of its proper divisors (4267907).

389819701 is a wasteful number, since it uses less digits than its factorization.

389819701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 108864, while the sum is 46.

The square root of 389819701 is about 19743.8522330370. The cubic root of 389819701 is about 730.5017511303.

The spelling of 389819701 in words is "three hundred eighty-nine million, eight hundred nineteen thousand, seven hundred one".