1536949328 has 20 divisors (see below), whose sum is σ = 3153006900. Its totient is φ = 723270144.

The previous prime is 1536949321. The next prime is 1536949333. The reversal of 1536949328 is 8239496351.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1028356624 + 508592704 = 32068^2 + 22552^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536949321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2825003 + ... + 2825546.

It is an arithmetic number, because the mean of its divisors is an integer number (157650345).

Almost surely, 2^1536949328 is an apocalyptic number.

It is an amenable number.

1536949328 is an abundant number, since it is smaller than the sum of its proper divisors (1616057572).

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

1536949328 is a wasteful number, since it uses less digits than its factorization.

1536949328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650574 (or 5650568 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 1536949328 is about 39203.9453116647. The cubic root of 1536949328 is about 1154.0373100523.

The spelling of 1536949328 in words is "one billion, five hundred thirty-six million, nine hundred forty-nine thousand, three hundred twenty-eight".