1022604 has 48 divisors (see below), whose sum is σ = 2666496. Its totient is φ = 302400.

The previous prime is 1022591. The next prime is 1022611. The reversal of 1022604 is 4062201.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7989 + ... + 8115.

It is an arithmetic number, because the mean of its divisors is an integer number (55552).

2^1022604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333248).

1022604 is an abundant number, since it is smaller than the sum of its proper divisors (1643892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022604 is a wasteful number, since it uses less digits than its factorization.

1022604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1022604 is about 1011.2388441906. The cubic root of 1022604 is about 100.7478597817.

Adding to 1022604 its reverse (4062201), we get a palindrome (5084805).

The spelling of 1022604 in words is "one million, twenty-two thousand, six hundred four".