32641990 has 8 divisors (see below), whose sum is σ = 58755600. Its totient is φ = 13056792.

The previous prime is 32641969. The next prime is 32641993. The reversal of 32641990 is 9914623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×32641990² = 2130999022320200, which contains 22 as substring.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32641993) 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 3 ways as a sum of consecutive naturals, for example, 1632090 + ... + 1632109.

It is an arithmetic number, because the mean of its divisors is an integer number (7344450).

Almost surely, 2^32641990 is an apocalyptic number.

32641990 is a deficient number, since it is larger than the sum of its proper divisors (26113610).

32641990 is a wasteful number, since it uses less digits than its factorization.

32641990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3264206.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 32641990 is about 5713.3169000153. The cubic root of 32641990 is about 319.5892842753.

The spelling of 32641990 in words is "thirty-two million, six hundred forty-one thousand, nine hundred ninety".