32820949 has 4 divisors (see below), whose sum is σ = 37509664. Its totient is φ = 28132236.

The previous prime is 32820937. The next prime is 32820973. The reversal of 32820949 is 94902823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32820949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32820919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344347 + ... + 2344360.

It is an arithmetic number, because the mean of its divisors is an integer number (9377416).

Almost surely, 2^32820949 is an apocalyptic number.

It is an amenable number.

32820949 is a deficient number, since it is larger than the sum of its proper divisors (4688715).

32820949 is an equidigital number, since it uses as much as digits as its factorization.

32820949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688714.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 32820949 is about 5728.9570604081. The cubic root of 32820949 is about 320.1722672719.

The spelling of 32820949 in words is "thirty-two million, eight hundred twenty thousand, nine hundred forty-nine".