4181490 has 64 divisors (see below), whose sum is σ = 11819520. Its totient is φ = 1048320.

The previous prime is 4181483. The next prime is 4181503. The reversal of 4181490 is 941814.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4135 + ... + 5045.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

Almost surely, 2^4181490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4181490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5909760).

4181490 is an abundant number, since it is smaller than the sum of its proper divisors (7638030).

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

4181490 is a wasteful number, since it uses less digits than its factorization.

4181490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4181490 is about 2044.8691889703. The cubic root of 4181490 is about 161.1054952021.

The spelling of 4181490 in words is "four million, one hundred eighty-one thousand, four hundred ninety".