2518428 has 24 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 763120.

The previous prime is 2518421. The next prime is 2518429. The reversal of 2518428 is 8248152.

It is a junction number, because it is equal to n+sod(n) for n = 2518395 and 2518404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518421) 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, 9408 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (267120).

2^2518428 is an apocalyptic number.

It is an amenable number.

2518428 is an abundant number, since it is smaller than the sum of its proper divisors (3892452).

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

2518428 is a wasteful number, since it uses less digits than its factorization.

2518428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097 (or 19095 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2518428 is about 1586.9555759378. The cubic root of 2518428 is about 136.0535400501.

The spelling of 2518428 in words is "two million, five hundred eighteen thousand, four hundred twenty-eight".