2473638 has 8 divisors (see below), whose sum is σ = 4947288. Its totient is φ = 824544.

The previous prime is 2473633. The next prime is 2473663. The reversal of 2473638 is 8363742.

It is a sphenic number, since it is the product of 3 distinct primes.

2473638 is an admirable number.

It is a super-2 number, since 2×2473638² = 12237769910088, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2473599 and 2473608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206131 + ... + 206142.

It is an arithmetic number, because the mean of its divisors is an integer number (618411).

2^2473638 is an apocalyptic number.

2473638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2473638 is a wasteful number, since it uses less digits than its factorization.

2473638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412278.

The product of its digits is 24192, while the sum is 33.

The square root of 2473638 is about 1572.7803406706. The cubic root of 2473638 is about 135.2421442906.

The spelling of 2473638 in words is "two million, four hundred seventy-three thousand, six hundred thirty-eight".