103405844 has 6 divisors (see below), whose sum is σ = 180960234. Its totient is φ = 51702920.

The previous prime is 103405837. The next prime is 103405867. The reversal of 103405844 is 448504301.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 46403344 = 7550^2 + 6812^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12925727 + ... + 12925734.

It is an arithmetic number, because the mean of its divisors is an integer number (30160039).

Almost surely, 2^103405844 is an apocalyptic number.

It is an amenable number.

103405844 is a deficient number, since it is larger than the sum of its proper divisors (77554390).

103405844 is a wasteful number, since it uses less digits than its factorization.

103405844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25851465 (or 25851463 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 103405844 is about 10168.8664068322. The cubic root of 103405844 is about 469.3696756376.

The spelling of 103405844 in words is "one hundred three million, four hundred five thousand, eight hundred forty-four".