2086428 has 24 divisors (see below), whose sum is σ = 5125120. Its totient is φ = 658800.

The previous prime is 2086423. The next prime is 2086433. The reversal of 2086428 is 8246802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2086423) and next prime (2086433).

It is a junction number, because it is equal to n+sod(n) for n = 2086395 and 2086404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4348 + ... + 4803.

2^2086428 is an apocalyptic number.

It is an amenable number.

2086428 is an abundant number, since it is smaller than the sum of its proper divisors (3038692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2086428 is a wasteful number, since it uses less digits than its factorization.

2086428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9177 (or 9175 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2086428 is about 1444.4472991425. The cubic root of 2086428 is about 127.7814467055.

The spelling of 2086428 in words is "two million, eighty-six thousand, four hundred twenty-eight".