1013897896 has 64 divisors (see below), whose sum is σ = 2104289280. Its totient is φ = 454164480.

The previous prime is 1013897861. The next prime is 1013897917. The reversal of 1013897896 is 6987983101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2872056 + ... + 2872408.

It is an arithmetic number, because the mean of its divisors is an integer number (32879520).

Almost surely, 2^1013897896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013897896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052144640).

1013897896 is an abundant number, since it is smaller than the sum of its proper divisors (1090391384).

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

1013897896 is a wasteful number, since it uses less digits than its factorization.

1013897896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1013897896 is about 31841.7633933801. The cubic root of 1013897896 is about 1004.6113349046.

The spelling of 1013897896 in words is "one billion, thirteen million, eight hundred ninety-seven thousand, eight hundred ninety-six".