1009538862 has 16 divisors (see below), whose sum is σ = 2106864000. Its totient is φ = 321881912.

The previous prime is 1009538851. The next prime is 1009538899. The reversal of 1009538862 is 2688359001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3657612 + ... + 3657887.

It is an arithmetic number, because the mean of its divisors is an integer number (131679000).

Almost surely, 2^1009538862 is an apocalyptic number.

1009538862 is an abundant number, since it is smaller than the sum of its proper divisors (1097325138).

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

1009538862 is a wasteful number, since it uses less digits than its factorization.

1009538862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315527.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1009538862 is about 31773.2412888581. The cubic root of 1009538862 is about 1003.1695639173.

The spelling of 1009538862 in words is "one billion, nine million, five hundred thirty-eight thousand, eight hundred sixty-two".