39910994 has 4 divisors (see below), whose sum is σ = 59866494. Its totient is φ = 19955496.

The previous prime is 39910973. The next prime is 39911021. The reversal of 39910994 is 49901993.

39910994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 38502025 + 1408969 = 6205^2 + 1187^2 .

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 as a sum of consecutive naturals, namely, 9977747 + ... + 9977750.

Almost surely, 2^39910994 is an apocalyptic number.

39910994 is a deficient number, since it is larger than the sum of its proper divisors (19955500).

39910994 is a wasteful number, since it uses less digits than its factorization.

39910994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19955499.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 39910994 is about 6317.5148594997. The cubic root of 39910994 is about 341.7413374241.

Subtracting 39910994 from its reverse (49901993), we obtain a palindrome (9990999).

It can be divided in two parts, 39910 and 994, that added together give a palindrome (40904).

The spelling of 39910994 in words is "thirty-nine million, nine hundred ten thousand, nine hundred ninety-four".