103428380 has 72 divisors (see below), whose sum is σ = 242208960. Its totient is φ = 37065600.

The previous prime is 103428361. The next prime is 103428383. The reversal of 103428380 is 83824301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103428383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190910 + ... + 191450.

Almost surely, 2^103428380 is an apocalyptic number.

103428380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103428380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121104480).

103428380 is an abundant number, since it is smaller than the sum of its proper divisors (138780580).

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

103428380 is a wasteful number, since it uses less digits than its factorization.

103428380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 103428380 is about 10169.9744345795. The cubic root of 103428380 is about 469.4037708952.

The spelling of 103428380 in words is "one hundred three million, four hundred twenty-eight thousand, three hundred eighty".