40971606 has 64 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 11926656.

The previous prime is 40971599. The next prime is 40971629. The reversal of 40971606 is 60617904.

It is a happy number.

40971606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40971606³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133305 + ... + 133611.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^40971606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40971606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46569600).

40971606 is an abundant number, since it is smaller than the sum of its proper divisors (52167594).

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

40971606 is a wasteful number, since it uses less digits than its factorization.

40971606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 40971606 is about 6400.9066545295. The cubic root of 40971606 is about 344.7421051027.

The spelling of 40971606 in words is "forty million, nine hundred seventy-one thousand, six hundred six".