2998865623 has 24 divisors (see below), whose sum is σ = 3368924592. Its totient is φ = 2666297088.

The previous prime is 2998865491. The next prime is 2998865633. The reversal of 2998865623 is 3265688992.

It is a happy number.

It is not a de Polignac number, because 2998865623 - 2¹³ = 2998857431 is a prime.

It is a super-2 number, since 2×2998865623² = 17986390049622356258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998865633) 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, 527665 + ... + 533317.

It is an arithmetic number, because the mean of its divisors is an integer number (140371858).

Almost surely, 2^2998865623 is an apocalyptic number.

2998865623 is a deficient number, since it is larger than the sum of its proper divisors (370058969).

2998865623 is a wasteful number, since it uses less digits than its factorization.

2998865623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795 (or 5782 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The square root of 2998865623 is about 54761.8993735608. The cubic root of 2998865623 is about 1442.0677635301.

The spelling of 2998865623 in words is "two billion, nine hundred ninety-eight million, eight hundred sixty-five thousand, six hundred twenty-three".