2047518 has 48 divisors (see below), whose sum is σ = 5031936. Its totient is φ = 618840.

The previous prime is 2047517. The next prime is 2047523. The reversal of 2047518 is 8157402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2047491 and 2047500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5155 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^2047518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2515968).

2047518 is an abundant number, since it is smaller than the sum of its proper divisors (2984418).

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

2047518 is a wasteful number, since it uses less digits than its factorization.

2047518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2047518 is about 1430.9150918206. The cubic root of 2047518 is about 126.9821207806.

The spelling of 2047518 in words is "two million, forty-seven thousand, five hundred eighteen".