2028857494 has 8 divisors (see below), whose sum is σ = 3051317160. Its totient is φ = 1011751776.

The previous prime is 2028857491. The next prime is 2028857513. The reversal of 2028857494 is 4947588202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028857491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337539 + ... + 1339054.

It is an arithmetic number, because the mean of its divisors is an integer number (381414645).

Almost surely, 2^2028857494 is an apocalyptic number.

2028857494 is a deficient number, since it is larger than the sum of its proper divisors (1022459666).

2028857494 is a wasteful number, since it uses less digits than its factorization.

2028857494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676974.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 2028857494 is about 45042.8406519838. The cubic root of 2028857494 is about 1265.9518307190.

The spelling of 2028857494 in words is "two billion, twenty-eight million, eight hundred fifty-seven thousand, four hundred ninety-four".