103404440 has 16 divisors (see below), whose sum is σ = 232660080. Its totient is φ = 41361760.

The previous prime is 103404409. The next prime is 103404467. The reversal of 103404440 is 44404301.

It is a super-3 number, since 3×103404440³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1292516 + ... + 1292595.

It is an arithmetic number, because the mean of its divisors is an integer number (14541255).

Almost surely, 2^103404440 is an apocalyptic number.

103404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103404440 is an abundant number, since it is smaller than the sum of its proper divisors (129255640).

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

103404440 is a wasteful number, since it uses less digits than its factorization.

103404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585122 (or 2585118 counting only the distinct ones).

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

The square root of 103404440 is about 10168.7973723543. The cubic root of 103404440 is about 469.3675513282.

Adding to 103404440 its reverse (44404301), we get a palindrome (147808741).

The spelling of 103404440 in words is "one hundred three million, four hundred four thousand, four hundred forty".