103400444 has 12 divisors (see below), whose sum is σ = 206800944. Its totient is φ = 44314464.

The previous prime is 103400431. The next prime is 103400491. The reversal of 103400444 is 444004301.

103400444 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846409 + ... + 1846464.

It is an arithmetic number, because the mean of its divisors is an integer number (17233412).

Almost surely, 2^103400444 is an apocalyptic number.

103400444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103400444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

103400444 is a wasteful number, since it uses less digits than its factorization.

103400444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692884 (or 3692882 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 103400444 is about 10168.6008870444. The cubic root of 103400444 is about 469.3615051117.

Adding to 103400444 its reverse (444004301), we get a palindrome (547404745).

The spelling of 103400444 in words is "one hundred three million, four hundred thousand, four hundred forty-four".