2458728 has 32 divisors (see below), whose sum is σ = 6830400. Its totient is φ = 819504.

The previous prime is 2458681. The next prime is 2458747. The reversal of 2458728 is 8278542.

It is a happy number.

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 = 2458692 and 2458701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5476 + ... + 5907.

It is an arithmetic number, because the mean of its divisors is an integer number (213450).

2^2458728 is an apocalyptic number.

It is an amenable number.

2458728 is an abundant number, since it is smaller than the sum of its proper divisors (4371672).

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

2458728 is a wasteful number, since it uses less digits than its factorization.

2458728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11398 (or 11388 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2458728 is about 1568.0331629146. The cubic root of 2458728 is about 134.9698698191.

The spelling of 2458728 in words is "two million, four hundred fifty-eight thousand, seven hundred twenty-eight".