32420387 has 2 divisors, whose sum is σ = 32420388. Its totient is φ = 32420386.

The previous prime is 32420371. The next prime is 32420417. The reversal of 32420387 is 78302423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32420387 - 2⁴ = 32420371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32420287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210193 + 16210194.

It is an arithmetic number, because the mean of its divisors is an integer number (16210194).

Almost surely, 2^32420387 is an apocalyptic number.

32420387 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420387 is an equidigital number, since it uses as much as digits as its factorization.

32420387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 32420387 is about 5693.8903220909. The cubic root of 32420387 is about 318.8644222297.

The spelling of 32420387 in words is "thirty-two million, four hundred twenty thousand, three hundred eighty-seven".