32640949 has 4 divisors (see below), whose sum is σ = 35608320. Its totient is φ = 29673580.

The previous prime is 32640941. The next prime is 32640977. The reversal of 32640949 is 94904623.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94904623 = 11 ⋅8627693.

It is a cyclic number.

It is not a de Polignac number, because 32640949 - 2³ = 32640941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640941) 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, 1483669 + ... + 1483690.

It is an arithmetic number, because the mean of its divisors is an integer number (8902080).

Almost surely, 2^32640949 is an apocalyptic number.

It is an amenable number.

32640949 is a deficient number, since it is larger than the sum of its proper divisors (2967371).

32640949 is a wasteful number, since it uses less digits than its factorization.

32640949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967370.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 32640949 is about 5713.2257963431. The cubic root of 32640949 is about 319.5858868519.

The spelling of 32640949 in words is "thirty-two million, six hundred forty thousand, nine hundred forty-nine".