39963434 has 16 divisors (see below), whose sum is σ = 68923008. Its totient is φ = 17023632.

The previous prime is 39963419. The next prime is 39963437. The reversal of 39963434 is 43436993.

It is a junction number, because it is equal to n+sod(n) for n = 39963391 and 39963400.

It is not an unprimeable number, because it can be changed into a prime (39963437) 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, 6209 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (4307688).

Almost surely, 2^39963434 is an apocalyptic number.

39963434 is a deficient number, since it is larger than the sum of its proper divisors (28959574).

39963434 is a wasteful number, since it uses less digits than its factorization.

39963434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269.

The product of its digits is 209952, while the sum is 41.

The square root of 39963434 is about 6321.6638632563. The cubic root of 39963434 is about 341.8909459301.

The spelling of 39963434 in words is "thirty-nine million, nine hundred sixty-three thousand, four hundred thirty-four".