1003628 has 12 divisors (see below), whose sum is σ = 1832880. Its totient is φ = 479952.

The previous prime is 1003627. The next prime is 1003631. The reversal of 1003628 is 8263001.

1003628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1003621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (152740).

2^1003628 is an apocalyptic number.

It is an amenable number.

1003628 is a deficient number, since it is larger than the sum of its proper divisors (829252).

1003628 is a wasteful number, since it uses less digits than its factorization.

1003628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10936 (or 10934 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1003628 is about 1001.8123576798. The cubic root of 1003628 is about 100.1207873787.

Adding to 1003628 its reverse (8263001), we get a palindrome (9266629).

The spelling of 1003628 in words is "one million, three thousand, six hundred twenty-eight".