39818950 has 12 divisors (see below), whose sum is σ = 74063340. Its totient is φ = 15927560.

The previous prime is 39818941. The next prime is 39818951. The reversal of 39818950 is 5981893.

It is a junction number, because it is equal to n+sod(n) for n = 39818897 and 39818906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39818951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 398140 + ... + 398239.

It is an arithmetic number, because the mean of its divisors is an integer number (6171945).

Almost surely, 2^39818950 is an apocalyptic number.

39818950 is a deficient number, since it is larger than the sum of its proper divisors (34244390).

39818950 is a wasteful number, since it uses less digits than its factorization.

39818950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796391 (or 796386 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 39818950 is about 6310.2258279716. The cubic root of 39818950 is about 341.4784236372.

The spelling of 39818950 in words is "thirty-nine million, eight hundred eighteen thousand, nine hundred fifty".