39629946 has 16 divisors (see below), whose sum is σ = 80604000. Its totient is φ = 12985968.

The previous prime is 39629939. The next prime is 39629951. The reversal of 39629946 is 64992693.

It is a junction number, because it is equal to n+sod(n) for n = 39629895 and 39629904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55621 + ... + 56328.

It is an arithmetic number, because the mean of its divisors is an integer number (5037750).

Almost surely, 2^39629946 is an apocalyptic number.

39629946 is an abundant number, since it is smaller than the sum of its proper divisors (40974054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39629946 is a wasteful number, since it uses less digits than its factorization.

39629946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112013.

The product of its digits is 629856, while the sum is 48.

The square root of 39629946 is about 6295.2320052560. The cubic root of 39629946 is about 340.9372811727.

The spelling of 39629946 in words is "thirty-nine million, six hundred twenty-nine thousand, nine hundred forty-six".