4182738 has 48 divisors (see below), whose sum is σ = 9997344. Its totient is φ = 1162560.

The previous prime is 4182721. The next prime is 4182749. The reversal of 4182738 is 8372814.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4182699 and 4182708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11881 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (208278).

Almost surely, 2^4182738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4182738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4998672).

4182738 is an abundant number, since it is smaller than the sum of its proper divisors (5814606).

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

4182738 is a wasteful number, since it uses less digits than its factorization.

4182738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 400 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 4182738 is about 2045.1743201986. The cubic root of 4182738 is about 161.1215213602.

The spelling of 4182738 in words is "four million, one hundred eighty-two thousand, seven hundred thirty-eight".