2028380293 has 8 divisors (see below), whose sum is σ = 2118512160. Its totient is φ = 1940106960.

The previous prime is 2028380287. The next prime is 2028380297. The reversal of 2028380293 is 3920838202.

It is a happy number.

It is the 18387-th star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2028380293 - 2⁹ = 2028379781 is a prime.

It is a super-2 number, since 2×2028380293² = 8228653226061531698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028380297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462403 + ... + 466768.

It is an arithmetic number, because the mean of its divisors is an integer number (264814020).

Almost surely, 2^2028380293 is an apocalyptic number.

It is an amenable number.

2028380293 is a deficient number, since it is larger than the sum of its proper divisors (90131867).

2028380293 is an equidigital number, since it uses as much as digits as its factorization.

2028380293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929267.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2028380293 is about 45037.5431501320. The cubic root of 2028380293 is about 1265.8525694597.

It can be divided in two parts, 20283 and 80293, that added together give a triangular number (100576 = T₄₄₈).

The spelling of 2028380293 in words is "two billion, twenty-eight million, three hundred eighty thousand, two hundred ninety-three".