32491030 has 32 divisors (see below), whose sum is σ = 68711328. Its totient is φ = 10905600.

The previous prime is 32491027. The next prime is 32491031. The reversal of 32491030 is 3019423.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 32490992 and 32491010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32491031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9931 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (2147229).

Almost surely, 2^32491030 is an apocalyptic number.

32491030 is an abundant number, since it is smaller than the sum of its proper divisors (36220298).

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

32491030 is a wasteful number, since it uses less digits than its factorization.

32491030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22752.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 32491030 is about 5700.0903501611. The cubic root of 32491030 is about 319.0958527217.

The spelling of 32491030 in words is "thirty-two million, four hundred ninety-one thousand, thirty".