2659428 has 36 divisors (see below), whose sum is σ = 6942208. Its totient is φ = 857520.

The previous prime is 2659399. The next prime is 2659439. The reversal of 2659428 is 8249562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2659392 and 2659401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76 + ... + 2307.

2^2659428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2659428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3471104).

2659428 is an abundant number, since it is smaller than the sum of its proper divisors (4282780).

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

2659428 is a wasteful number, since it uses less digits than its factorization.

2659428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424 (or 2419 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2659428 is about 1630.7752757508. The cubic root of 2659428 is about 138.5466658858.

The spelling of 2659428 in words is "two million, six hundred fifty-nine thousand, four hundred twenty-eight".