2478536 has 16 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 1234384.

The previous prime is 2478529. The next prime is 2478547. The reversal of 2478536 is 6358742.

It is a happy number.

It is a super-2 number, since 2×2478536² = 12286281406592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2478496 and 2478505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

2^2478536 is an apocalyptic number.

It is an amenable number.

2478536 is a deficient number, since it is larger than the sum of its proper divisors (2187064).

2478536 is a wasteful number, since it uses less digits than its factorization.

2478536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1224 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2478536 is about 1574.3366857188. The cubic root of 2478536 is about 135.3313488402.

The spelling of 2478536 in words is "two million, four hundred seventy-eight thousand, five hundred thirty-six".