40969986 has 8 divisors (see below), whose sum is σ = 81939984. Its totient is φ = 13656660.

The previous prime is 40969963. The next prime is 40969997. The reversal of 40969986 is 68996904.

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

40969986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3414160 + ... + 3414171.

It is an arithmetic number, because the mean of its divisors is an integer number (10242498).

Almost surely, 2^40969986 is an apocalyptic number.

40969986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40969986 is a wasteful number, since it uses less digits than its factorization.

40969986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828336.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 40969986 is about 6400.7801087055. The cubic root of 40969986 is about 344.7375613904.

The spelling of 40969986 in words is "forty million, nine hundred sixty-nine thousand, nine hundred eighty-six".