32440947 has 48 divisors (see below), whose sum is σ = 57609216. Its totient is φ = 15840000.

The previous prime is 32440901. The next prime is 32440957. The reversal of 32440947 is 74904423.

It is not a de Polignac number, because 32440947 - 2⁶ = 32440883 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (32440957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42822 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (1200192).

Almost surely, 2^32440947 is an apocalyptic number.

32440947 is a deficient number, since it is larger than the sum of its proper divisors (25168269).

32440947 is a wasteful number, since it uses less digits than its factorization.

32440947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 32440947 is about 5695.6954799217. The cubic root of 32440947 is about 318.9318126156.

The spelling of 32440947 in words is "thirty-two million, four hundred forty thousand, nine hundred forty-seven".