2309038988 has 12 divisors (see below), whose sum is σ = 4041301320. Its totient is φ = 1154381472.

The previous prime is 2309038967. The next prime is 2309038993. The reversal of 2309038988 is 8898309032.

It is a happy number.

It is a super-2 number, since 2×2309038988² = 10663322096208128288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9320 + ... + 68592.

It is an arithmetic number, because the mean of its divisors is an integer number (336775110).

Almost surely, 2^2309038988 is an apocalyptic number.

It is an amenable number.

2309038988 is a deficient number, since it is larger than the sum of its proper divisors (1732262332).

2309038988 is a wasteful number, since it uses less digits than its factorization.

2309038988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69016 (or 69014 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 2309038988 is about 48052.4607902655. The cubic root of 2309038988 is about 1321.7330671962.

The spelling of 2309038988 in words is "two billion, three hundred nine million, thirty-eight thousand, nine hundred eighty-eight".