1023628 has 6 divisors (see below), whose sum is σ = 1791356. Its totient is φ = 511812.

The previous prime is 1023601. The next prime is 1023643. The reversal of 1023628 is 8263201.

It is a junction number, because it is equal to n+sod(n) for n = 1023599 and 1023608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127950 + ... + 127957.

2^1023628 is an apocalyptic number.

It is an amenable number.

1023628 is a deficient number, since it is larger than the sum of its proper divisors (767728).

1023628 is a wasteful number, since it uses less digits than its factorization.

1023628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255911 (or 255909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1023628 is about 1011.7450271684. The cubic root of 1023628 is about 100.7814770281.

Adding to 1023628 its reverse (8263201), we get a palindrome (9286829).

The spelling of 1023628 in words is "one million, twenty-three thousand, six hundred twenty-eight".