2428578 has 12 divisors (see below), whose sum is σ = 5261958. Its totient is φ = 809520.

The previous prime is 2428577. The next prime is 2428627. The reversal of 2428578 is 8758242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 363609 = 1437^2 + 603^2 .

It is a super-2 number, since 2×2428578² = 11795982204168, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁵ + 2¹⁶ + 8⁶ + 5⁴ + 7² + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2428577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67443 + ... + 67478.

2^2428578 is an apocalyptic number.

2428578 is an abundant number, since it is smaller than the sum of its proper divisors (2833380).

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

2428578 is a wasteful number, since it uses less digits than its factorization.

2428578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134929 (or 134926 counting only the distinct ones).

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

The square root of 2428578 is about 1558.3895533531. The cubic root of 2428578 is about 134.4159127630.

The spelling of 2428578 in words is "two million, four hundred twenty-eight thousand, five hundred seventy-eight".