39420563 has 8 divisors (see below), whose sum is σ = 48517728. Its totient is φ = 31189824.

The previous prime is 39420559. The next prime is 39420581. The reversal of 39420563 is 36502493.

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 39420563 - 2² = 39420559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39422563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216506 + ... + 216687.

It is an arithmetic number, because the mean of its divisors is an integer number (6064716).

Almost surely, 2^39420563 is an apocalyptic number.

39420563 is a deficient number, since it is larger than the sum of its proper divisors (9097165).

39420563 is a wasteful number, since it uses less digits than its factorization.

39420563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433213.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 39420563 is about 6278.5796960778. The cubic root of 39420563 is about 340.3357784315.

The spelling of 39420563 in words is "thirty-nine million, four hundred twenty thousand, five hundred sixty-three".