103402849 has 6 divisors (see below), whose sum is σ = 113657810. Its totient is φ = 94002480.

The previous prime is 103402847. The next prime is 103402903. The reversal of 103402849 is 948204301.

It can be written as a sum of positive squares in only one way, i.e., 79977249 + 23425600 = 8943^2 + 4840^2 .

It is not a de Polignac number, because 103402849 - 2¹ = 103402847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103402849.

It is not an unprimeable number, because it can be changed into a prime (103402847) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 427164 + ... + 427405.

Almost surely, 2^103402849 is an apocalyptic number.

It is an amenable number.

103402849 is a deficient number, since it is larger than the sum of its proper divisors (10254961).

103402849 is an equidigital number, since it uses as much as digits as its factorization.

103402849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854591 (or 854580 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 103402849 is about 10168.7191425469. The cubic root of 103402849 is about 469.3651440570.

The spelling of 103402849 in words is "one hundred three million, four hundred two thousand, eight hundred forty-nine".