1603412 has 6 divisors (see below), whose sum is σ = 2805978. Its totient is φ = 801704.

The previous prime is 1603411. The next prime is 1603417. The reversal of 1603412 is 2143061.

It can be written as a sum of positive squares in only one way, i.e., 1522756 + 80656 = 1234^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1603411) by changing a digit.

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 as a sum of consecutive naturals, namely, 200423 + ... + 200430.

It is an arithmetic number, because the mean of its divisors is an integer number (467663).

2^1603412 is an apocalyptic number.

It is an amenable number.

1603412 is a deficient number, since it is larger than the sum of its proper divisors (1202566).

1603412 is a wasteful number, since it uses less digits than its factorization.

1603412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400857 (or 400855 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1603412 is about 1266.2590572233. The cubic root of 1603412 is about 117.0437900711.

Adding to 1603412 its reverse (2143061), we get a palindrome (3746473).

The spelling of 1603412 in words is "one million, six hundred three thousand, four hundred twelve".