2028279 has 8 divisors (see below), whose sum is σ = 2950272. Its totient is φ = 1229240.

The previous prime is 2028277. The next prime is 2028281. The reversal of 2028279 is 9728202.

It is an interprime number because it is at equal distance from previous prime (2028277) and next prime (2028281).

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 2028279 - 2¹ = 2028277 is a prime.

It is a super-2 number, since 2×2028279² = 8227831403682, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028277) 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, 30699 + ... + 30764.

It is an arithmetic number, because the mean of its divisors is an integer number (368784).

2^2028279 is an apocalyptic number.

2028279 is a deficient number, since it is larger than the sum of its proper divisors (921993).

2028279 is a wasteful number, since it uses less digits than its factorization.

2028279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61477.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2028279 is about 1424.1766042173. The cubic root of 2028279 is about 126.5831497780.

The spelling of 2028279 in words is "two million, twenty-eight thousand, two hundred seventy-nine".