2635428 has 12 divisors (see below), whose sum is σ = 6149360. Its totient is φ = 878472.

The previous prime is 2635411. The next prime is 2635429. The reversal of 2635428 is 8245362.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 2⁴ + 6⁷ + 3¹¹ + 5⁶ + 4² + 2¹⁶ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2635395 and 2635404.

It is not an unprimeable number, because it can be changed into a prime (2635429) 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, 109798 + ... + 109821.

2^2635428 is an apocalyptic number.

It is an amenable number.

2635428 is an abundant number, since it is smaller than the sum of its proper divisors (3513932).

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

2635428 is a wasteful number, since it uses less digits than its factorization.

2635428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219626 (or 219624 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 2635428 is about 1623.4001355180. The cubic root of 2635428 is about 138.1286345215.

The spelling of 2635428 in words is "two million, six hundred thirty-five thousand, four hundred twenty-eight".