2829490866 has 120 divisors (see below), whose sum is σ = 6703879644. Its totient is φ = 891855360.

The previous prime is 2829490847. The next prime is 2829490903. The reversal of 2829490866 is 6680949282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2742721641 + 86769225 = 52371^2 + 9315^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11740506 + ... + 11740746.

Almost surely, 2^2829490866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2829490866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351939822).

2829490866 is an abundant number, since it is smaller than the sum of its proper divisors (3874388778).

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

2829490866 is a wasteful number, since it uses less digits than its factorization.

2829490866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 2829490866 is about 53192.9588009541. The cubic root of 2829490866 is about 1414.3908303611.

The spelling of 2829490866 in words is "two billion, eight hundred twenty-nine million, four hundred ninety thousand, eight hundred sixty-six".