1004203216 has 10 divisors (see below), whose sum is σ = 1945643762. Its totient is φ = 502101600.

The previous prime is 1004203171. The next prime is 1004203217. The reversal of 1004203216 is 6123024001.

It can be written as a sum of positive squares in only one way, i.e., 524593216 + 479610000 = 22904^2 + 21900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1004203193 and 1004203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004203217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31381335 + ... + 31381366.

Almost surely, 2^1004203216 is an apocalyptic number.

1004203216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1004203216 is a deficient number, since it is larger than the sum of its proper divisors (941440546).

1004203216 is an equidigital number, since it uses as much as digits as its factorization.

1004203216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62762709 (or 62762703 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1004203216 is about 31689.1655933065. The cubic root of 1004203216 is about 1001.3991135683.

Adding to 1004203216 its reverse (6123024001), we get a palindrome (7127227217).

The spelling of 1004203216 in words is "one billion, four million, two hundred three thousand, two hundred sixteen".