32420416 has 28 divisors (see below), whose sum is σ = 73525888. Its totient is φ = 13894272.

The previous prime is 32420387. The next prime is 32420417. The reversal of 32420416 is 61402423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×32420416² = 2102166747226112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (32420417) 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, 35736 + ... + 36631.

Almost surely, 2^32420416 is an apocalyptic number.

It is an amenable number.

32420416 is an abundant number, since it is smaller than the sum of its proper divisors (41105472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32420416 is an equidigital number, since it uses as much as digits as its factorization.

32420416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72386 (or 72376 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 32420416 is about 5693.8928686796. The cubic root of 32420416 is about 318.8645173043.

Adding to 32420416 its reverse (61402423), we get a palindrome (93822839).

The spelling of 32420416 in words is "thirty-two million, four hundred twenty thousand, four hundred sixteen".