389498707 has 8 divisors (see below), whose sum is σ = 426570480. Its totient is φ = 353442720.

The previous prime is 389498701. The next prime is 389498731. The reversal of 389498707 is 707894983.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389498707 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389498701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253144 + ... + 254677.

It is an arithmetic number, because the mean of its divisors is an integer number (53321310).

Almost surely, 2^389498707 is an apocalyptic number.

389498707 is a deficient number, since it is larger than the sum of its proper divisors (37071773).

389498707 is a wasteful number, since it uses less digits than its factorization.

389498707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507893.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 389498707 is about 19735.7215981580. The cubic root of 389498707 is about 730.3011874081.

The spelling of 389498707 in words is "three hundred eighty-nine million, four hundred ninety-eight thousand, seven hundred seven".