1604549630 has 16 divisors (see below), whose sum is σ = 2916787104. Its totient is φ = 635464800.

The previous prime is 1604549629. The next prime is 1604549633. The reversal of 1604549630 is 369454061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604549633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793322 + ... + 795341.

It is an arithmetic number, because the mean of its divisors is an integer number (182299194).

Almost surely, 2^1604549630 is an apocalyptic number.

1604549630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1604549630 is a deficient number, since it is larger than the sum of its proper divisors (1312237474).

1604549630 is a wasteful number, since it uses less digits than its factorization.

1604549630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588771.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1604549630 is about 40056.8300043825. The cubic root of 1604549630 is about 1170.7146460689.

The spelling of 1604549630 in words is "one billion, six hundred four million, five hundred forty-nine thousand, six hundred thirty".