103389420 has 48 divisors (see below), whose sum is σ = 290803968. Its totient is φ = 27445440.

The previous prime is 103389397. The next prime is 103389421. The reversal of 103389420 is 24983301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (103389421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9825 + ... + 17415.

It is an arithmetic number, because the mean of its divisors is an integer number (6058416).

Almost surely, 2^103389420 is an apocalyptic number.

103389420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103389420 is an abundant number, since it is smaller than the sum of its proper divisors (187414548).

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

103389420 is a wasteful number, since it uses less digits than its factorization.

103389420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 103389420 is about 10168.0588117890. The cubic root of 103389420 is about 469.3448242513.

The spelling of 103389420 in words is "one hundred three million, three hundred eighty-nine thousand, four hundred twenty".