32406631 has 2 divisors, whose sum is σ = 32406632. Its totient is φ = 32406630.

The previous prime is 32406617. The next prime is 32406637. The reversal of 32406631 is 13660423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32406631 - 2⁹ = 32406119 is a prime.

It is a super-3 number, since 3×32406631³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 32406596 and 32406605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32406637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16203315 + 16203316.

It is an arithmetic number, because the mean of its divisors is an integer number (16203316).

Almost surely, 2^32406631 is an apocalyptic number.

32406631 is a deficient number, since it is larger than the sum of its proper divisors (1).

32406631 is an equidigital number, since it uses as much as digits as its factorization.

32406631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 32406631 is about 5692.6822324806. The cubic root of 32406631 is about 318.8193176940.

The spelling of 32406631 in words is "thirty-two million, four hundred six thousand, six hundred thirty-one".