39969763 has 8 divisors (see below), whose sum is σ = 40631328. Its totient is φ = 39311424.

The previous prime is 39969707. The next prime is 39969779. The reversal of 39969763 is 36796993.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39969763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39969763.

It is not an unprimeable number, because it can be changed into a prime (39969263) 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, 40170 + ... + 41152.

It is an arithmetic number, because the mean of its divisors is an integer number (5078916).

Almost surely, 2^39969763 is an apocalyptic number.

39969763 is a deficient number, since it is larger than the sum of its proper divisors (661565).

39969763 is an equidigital number, since it uses as much as digits as its factorization.

39969763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its digits is 1653372, while the sum is 52.

The square root of 39969763 is about 6322.1644236764. The cubic root of 39969763 is about 341.9089933746.

The spelling of 39969763 in words is "thirty-nine million, nine hundred sixty-nine thousand, seven hundred sixty-three".