103870389 has 8 divisors (see below), whose sum is σ = 158278720. Its totient is φ = 59354496.

The previous prime is 103870363. The next prime is 103870399. The reversal of 103870389 is 983078301.

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

It is not a de Polignac number, because 103870389 - 2¹¹ = 103868341 is a prime.

It is a super-2 number, since 2×103870389² = 21578115422022642, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103870309) 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, 2473084 + ... + 2473125.

It is an arithmetic number, because the mean of its divisors is an integer number (19784840).

Almost surely, 2^103870389 is an apocalyptic number.

It is an amenable number.

103870389 is a deficient number, since it is larger than the sum of its proper divisors (54408331).

103870389 is an equidigital number, since it uses as much as digits as its factorization.

103870389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946219.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 103870389 is about 10191.6823439509. The cubic root of 103870389 is about 470.0714981013.

The spelling of 103870389 in words is "one hundred three million, eight hundred seventy thousand, three hundred eighty-nine".