39970563 has 8 divisors (see below), whose sum is σ = 55013376. Its totient is φ = 25787400.

The previous prime is 39970549. The next prime is 39970631. The reversal of 39970563 is 36507993.

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

It is not a de Polignac number, because 39970563 - 2¹⁰ = 39969539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39970963) 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, 214803 + ... + 214988.

It is an arithmetic number, because the mean of its divisors is an integer number (6876672).

Almost surely, 2^39970563 is an apocalyptic number.

39970563 is a deficient number, since it is larger than the sum of its proper divisors (15042813).

39970563 is a wasteful number, since it uses less digits than its factorization.

39970563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429825.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 39970563 is about 6322.2276928311. The cubic root of 39970563 is about 341.9112744771.

The spelling of 39970563 in words is "thirty-nine million, nine hundred seventy thousand, five hundred sixty-three".