1522604 has 6 divisors (see below), whose sum is σ = 2664564. Its totient is φ = 761300.

The previous prime is 1522601. The next prime is 1522607. The reversal of 1522604 is 4062251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1522601) and next prime (1522607).

It is not an unprimeable number, because it can be changed into a prime (1522601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190322 + ... + 190329.

It is an arithmetic number, because the mean of its divisors is an integer number (444094).

2^1522604 is an apocalyptic number.

It is an amenable number.

1522604 is a deficient number, since it is larger than the sum of its proper divisors (1141960).

1522604 is a wasteful number, since it uses less digits than its factorization.

1522604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380655 (or 380653 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1522604 is about 1233.9384101324. The cubic root of 1522604 is about 115.0435625762.

Adding to 1522604 its reverse (4062251), we get a palindrome (5584855).

The spelling of 1522604 in words is "one million, five hundred twenty-two thousand, six hundred four".