1604232534 has 16 divisors (see below), whose sum is σ = 3261063600. Its totient is φ = 525977760.

The previous prime is 1604232521. The next prime is 1604232541. The reversal of 1604232534 is 4352324061.

It is a super-2 number, since 2×1604232534² = 5147124046288122312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191209 + ... + 2191940.

It is an arithmetic number, because the mean of its divisors is an integer number (203816475).

Almost surely, 2^1604232534 is an apocalyptic number.

1604232534 is an abundant number, since it is smaller than the sum of its proper divisors (1656831066).

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

1604232534 is a wasteful number, since it uses less digits than its factorization.

1604232534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383215.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1604232534 is about 40052.8717322491. The cubic root of 1604232534 is about 1170.6375209198.

Adding to 1604232534 its reverse (4352324061), we get a palindrome (5956556595).

The spelling of 1604232534 in words is "one billion, six hundred four million, two hundred thirty-two thousand, five hundred thirty-four".