2458428 has 72 divisors (see below), whose sum is σ = 6913872. Its totient is φ = 677376.

The previous prime is 2458427. The next prime is 2458433. The reversal of 2458428 is 8248542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2458427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21700 + ... + 21812.

It is an arithmetic number, because the mean of its divisors is an integer number (96026).

2^2458428 is an apocalyptic number.

2458428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2458428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456936).

2458428 is an abundant number, since it is smaller than the sum of its proper divisors (4455444).

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

2458428 is a wasteful number, since it uses less digits than its factorization.

2458428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 162 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 2458428 is about 1567.9374987543. The cubic root of 2458428 is about 134.9643801773.

The spelling of 2458428 in words is "two million, four hundred fifty-eight thousand, four hundred twenty-eight".