2478554 has 12 divisors (see below), whose sum is σ = 4026366. Its totient is φ = 1143792.

The previous prime is 2478547. The next prime is 2478557. The reversal of 2478554 is 4558742.

It can be written as a sum of positive squares in 3 ways, for example, as 442225 + 2036329 = 665^2 + 1427^2 .

It is a super-2 number, since 2×2478554² = 12286459861832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2478557) 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, 3329 + ... + 4004.

2^2478554 is an apocalyptic number.

2478554 is a deficient number, since it is larger than the sum of its proper divisors (1547812).

2478554 is a wasteful number, since it uses less digits than its factorization.

2478554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361 (or 7348 counting only the distinct ones).

The product of its digits is 44800, while the sum is 35.

The square root of 2478554 is about 1574.3424024017. The cubic root of 2478554 is about 135.3316764474.

The spelling of 2478554 in words is "two million, four hundred seventy-eight thousand, five hundred fifty-four".