3009799890 has 64 divisors (see below), whose sum is σ = 8075491200. Its totient is φ = 797677632.

The previous prime is 3009799879. The next prime is 3009799927. The reversal of 3009799890 is 989979003.

It is a happy number.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9816 + ... + 78204.

It is an arithmetic number, because the mean of its divisors is an integer number (126179550).

Almost surely, 2^3009799890 is an apocalyptic number.

3009799890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3009799890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4037745600).

3009799890 is an abundant number, since it is smaller than the sum of its proper divisors (5065691310).

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

3009799890 is a wasteful number, since it uses less digits than its factorization.

3009799890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68568 (or 68562 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 3009799890 is about 54861.6431580389. The cubic root of 3009799890 is about 1443.8182953019.

The spelling of 3009799890 in words is "three billion, nine million, seven hundred ninety-nine thousand, eight hundred ninety".