103406404 has 12 divisors (see below), whose sum is σ = 181320300. Its totient is φ = 51600608.

The previous prime is 103406363. The next prime is 103406419. The reversal of 103406404 is 404604301.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39438400 + 63968004 = 6280^2 + 7998^2 .

It is a super-2 number, since 2×103406404² = 21385768776422432, which contains 22 as substring.

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, 23359 + ... + 27430.

It is an arithmetic number, because the mean of its divisors is an integer number (15110025).

Almost surely, 2^103406404 is an apocalyptic number.

It is an amenable number.

103406404 is a deficient number, since it is larger than the sum of its proper divisors (77913896).

103406404 is a wasteful number, since it uses less digits than its factorization.

103406404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51302 (or 51300 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 103406404 is about 10168.8939418208. The cubic root of 103406404 is about 469.3705229351.

The spelling of 103406404 in words is "one hundred three million, four hundred six thousand, four hundred four".