1959961008 has 120 divisors (see below), whose sum is σ = 5613355008. Its totient is φ = 588059648.

The previous prime is 1959961001. The next prime is 1959961039. The reversal of 1959961008 is 8001699591.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1959961001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315985 + ... + 322127.

Almost surely, 2^1959961008 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 1959961008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2806677504).

1959961008 is an abundant number, since it is smaller than the sum of its proper divisors (3653394000).

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

1959961008 is a wasteful number, since it uses less digits than its factorization.

1959961008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6211 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 48.

The square root of 1959961008 is about 44271.4468704152. The cubic root of 1959961008 is about 1251.4566502500.

The spelling of 1959961008 in words is "one billion, nine hundred fifty-nine million, nine hundred sixty-one thousand, eight".