39770966 has 4 divisors (see below), whose sum is σ = 59656452. Its totient is φ = 19885482.

The previous prime is 39770957. The next prime is 39770987. The reversal of 39770966 is 66907793.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 39770966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9942740 + ... + 9942743.

It is an arithmetic number, because the mean of its divisors is an integer number (14914113).

Almost surely, 2^39770966 is an apocalyptic number.

39770966 is a deficient number, since it is larger than the sum of its proper divisors (19885486).

39770966 is a wasteful number, since it uses less digits than its factorization.

39770966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19885485.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 39770966 is about 6306.4225992237. The cubic root of 39770966 is about 341.3412018128.

The spelling of 39770966 in words is "thirty-nine million, seven hundred seventy thousand, nine hundred sixty-six".