2478512 has 40 divisors (see below), whose sum is σ = 5237760. Its totient is φ = 1131840.

The previous prime is 2478479. The next prime is 2478517. The reversal of 2478512 is 2158742.

It is a super-2 number, since 2×2478512² = 12286043468288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478517) 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, 9293 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (130944).

2^2478512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2478512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2618880).

2478512 is an abundant number, since it is smaller than the sum of its proper divisors (2759248).

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

2478512 is a wasteful number, since it uses less digits than its factorization.

2478512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 315 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 2478512 is about 1574.3290634426. The cubic root of 2478512 is about 135.3309120282.

The spelling of 2478512 in words is "two million, four hundred seventy-eight thousand, five hundred twelve".