1453604 has 6 divisors (see below), whose sum is σ = 2543814. Its totient is φ = 726800.

The previous prime is 1453603. The next prime is 1453607. The reversal of 1453604 is 4063541.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 813604 + 640000 = 902^2 + 800^2 .

It is a super-2 number, since 2×1453604² = 4225929177632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453604.

It is not an unprimeable number, because it can be changed into a prime (1453603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181697 + ... + 181704.

It is an arithmetic number, because the mean of its divisors is an integer number (423969).

2^1453604 is an apocalyptic number.

It is an amenable number.

1453604 is a deficient number, since it is larger than the sum of its proper divisors (1090210).

1453604 is a wasteful number, since it uses less digits than its factorization.

1453604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363405 (or 363403 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1453604 is about 1205.6550086986. The cubic root of 1453604 is about 113.2788165327.

The spelling of 1453604 in words is "one million, four hundred fifty-three thousand, six hundred four".