39850966 has 4 divisors (see below), whose sum is σ = 59776452. Its totient is φ = 19925482.

The previous prime is 39850963. The next prime is 39850969. The reversal of 39850966 is 66905893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66905893 = 43 ⋅1555951.

It is an interprime number because it is at equal distance from previous prime (39850963) and next prime (39850969).

It is a super-2 number, since 2×39850966² = 3176198982266312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39850963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9962740 + ... + 9962743.

It is an arithmetic number, because the mean of its divisors is an integer number (14944113).

Almost surely, 2^39850966 is an apocalyptic number.

39850966 is a deficient number, since it is larger than the sum of its proper divisors (19925486).

39850966 is a wasteful number, since it uses less digits than its factorization.

39850966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19925485.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 39850966 is about 6312.7621529723. The cubic root of 39850966 is about 341.5699198083.

The spelling of 39850966 in words is "thirty-nine million, eight hundred fifty thousand, nine hundred sixty-six".