4181634 has 24 divisors (see below), whose sum is σ = 9537840. Its totient is φ = 1320408.

The previous prime is 4181633. The next prime is 4181657. The reversal of 4181634 is 4361814.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4181598 and 4181607.

It is not an unprimeable number, because it can be changed into a prime (4181633) 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 11 ways as a sum of consecutive naturals, for example, 5772 + ... + 6455.

It is an arithmetic number, because the mean of its divisors is an integer number (397410).

Almost surely, 2^4181634 is an apocalyptic number.

4181634 is an abundant number, since it is smaller than the sum of its proper divisors (5356206).

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

4181634 is a wasteful number, since it uses less digits than its factorization.

4181634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254 (or 12251 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 4181634 is about 2044.9043987434. The cubic root of 4181634 is about 161.1073445369.

The spelling of 4181634 in words is "four million, one hundred eighty-one thousand, six hundred thirty-four".