104209450 has 24 divisors (see below), whose sum is σ = 195618060. Its totient is φ = 41299200.

The previous prime is 104209447. The next prime is 104209459. The reversal of 104209450 is 54902401.

It can be written as a sum of positive squares in 6 ways, for example, as 69505569 + 34703881 = 8337^2 + 5891^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (104209459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4111 + ... + 15010.

Almost surely, 2^104209450 is an apocalyptic number.

104209450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104209450 is a deficient number, since it is larger than the sum of its proper divisors (91408610).

104209450 is a wasteful number, since it uses less digits than its factorization.

104209450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19242 (or 19237 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 104209450 is about 10208.3029931522. The cubic root of 104209450 is about 470.5824226764.

The spelling of 104209450 in words is "one hundred four million, two hundred nine thousand, four hundred fifty".