1010915898 has 16 divisors (see below), whose sum is σ = 2030741280. Its totient is φ = 335487056.

The previous prime is 1010915891. The next prime is 1010915909. The reversal of 1010915898 is 8985190101.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1010915891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369753 + ... + 372476.

It is an arithmetic number, because the mean of its divisors is an integer number (126921330).

Almost surely, 2^1010915898 is an apocalyptic number.

1010915898 is an abundant number, since it is smaller than the sum of its proper divisors (1019825382).

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

1010915898 is a wasteful number, since it uses less digits than its factorization.

1010915898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742461.

The product of its (nonzero) digits is 25920, while the sum is 42.

The square root of 1010915898 is about 31794.9036482264. The cubic root of 1010915898 is about 1003.6254727297.

It can be divided in two parts, 10109158 and 98, that added together give a triangular number (10109256 = T₄₄₉₆).

The spelling of 1010915898 in words is "one billion, ten million, nine hundred fifteen thousand, eight hundred ninety-eight".