2620428 has 24 divisors (see below), whose sum is σ = 6162240. Its totient is φ = 866640.

The previous prime is 2620421. The next prime is 2620439. The reversal of 2620428 is 8240262.

It is a junction number, because it is equal to n+sod(n) for n = 2620398 and 2620407.

It is not an unprimeable number, because it can be changed into a prime (2620421) 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, 883 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (256760).

2^2620428 is an apocalyptic number.

It is an amenable number.

2620428 is an abundant number, since it is smaller than the sum of its proper divisors (3541812).

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

2620428 is a wasteful number, since it uses less digits than its factorization.

2620428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2620428 is about 1618.7736098664. The cubic root of 2620428 is about 137.8660746499.

The spelling of 2620428 in words is "two million, six hundred twenty thousand, four hundred twenty-eight".