32000490 has 48 divisors (see below), whose sum is σ = 84004128. Its totient is φ = 8451168.

The previous prime is 32000489. The next prime is 32000491. The reversal of 32000490 is 9400023.

32000490 = 493² + 494² + ... + 599².

It is an interprime number because it is at equal distance from previous prime (32000489) and next prime (32000491).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32000491) 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 23 ways as a sum of consecutive naturals, for example, 7969 + ... + 11291.

It is an arithmetic number, because the mean of its divisors is an integer number (1750086).

Almost surely, 2^32000490 is an apocalyptic number.

32000490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32000490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42002064).

32000490 is an abundant number, since it is smaller than the sum of its proper divisors (52003638).

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

32000490 is a wasteful number, since it uses less digits than its factorization.

32000490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443 (or 3440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 32000490 is about 5656.8975596169. The cubic root of 32000490 is about 317.4818308573.

The spelling of 32000490 in words is "thirty-two million, four hundred ninety", and thus it is an aban number.