32466421 has 12 divisors (see below), whose sum is σ = 37009920. Its totient is φ = 28388880.

The previous prime is 32466403. The next prime is 32466431. The reversal of 32466421 is 12466423.

It is not a de Polignac number, because 32466421 - 2⁵ = 32466389 is a prime.

It is a super-4 number, since 4×32466421⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32466421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32466431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1845 + ... + 8266.

It is an arithmetic number, because the mean of its divisors is an integer number (3084160).

Almost surely, 2^32466421 is an apocalyptic number.

It is an amenable number.

32466421 is a deficient number, since it is larger than the sum of its proper divisors (4543499).

32466421 is a wasteful number, since it uses less digits than its factorization.

32466421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156 (or 10143 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 32466421 is about 5697.9312912670. The cubic root of 32466421 is about 319.0152703454.

The spelling of 32466421 in words is "thirty-two million, four hundred sixty-six thousand, four hundred twenty-one".