32420399 has 8 divisors (see below), whose sum is σ = 36324048. Its totient is φ = 28676160.

The previous prime is 32420387. The next prime is 32420417. The reversal of 32420399 is 99302423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32420399 - 2¹² = 32416303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32420329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39422 + ... + 40235.

It is an arithmetic number, because the mean of its divisors is an integer number (4540506).

Almost surely, 2^32420399 is an apocalyptic number.

32420399 is a deficient number, since it is larger than the sum of its proper divisors (3903649).

32420399 is a wasteful number, since it uses less digits than its factorization.

32420399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79705.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 32420399 is about 5693.8913758518. The cubic root of 32420399 is about 318.8644615709.

The spelling of 32420399 in words is "thirty-two million, four hundred twenty thousand, three hundred ninety-nine".