1013609328 has 20 divisors (see below), whose sum is σ = 2618490888. Its totient is φ = 337869760.

The previous prime is 1013609327. The next prime is 1013609347. The reversal of 1013609328 is 8239063101.

It is a super-2 number, since 2×1013609328² = 2054807739617223168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013609327) 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, 10558383 + ... + 10558478.

Almost surely, 2^1013609328 is an apocalyptic number.

It is an amenable number.

1013609328 is an abundant number, since it is smaller than the sum of its proper divisors (1604881560).

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

1013609328 is a wasteful number, since it uses less digits than its factorization.

1013609328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116872 (or 21116866 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1013609328 is about 31837.2317892118. The cubic root of 1013609328 is about 1004.5160175516.

The spelling of 1013609328 in words is "one billion, thirteen million, six hundred nine thousand, three hundred twenty-eight".