39986010 has 24 divisors (see below), whose sum is σ = 103963860. Its totient is φ = 10662912.

The previous prime is 39985999. The next prime is 39986017. The reversal of 39986010 is 1068993.

It can be written as a sum of positive squares in 2 ways, for example, as 35176761 + 4809249 = 5931^2 + 2193^2 .

It is not an unprimeable number, because it can be changed into a prime (39986017) 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 in 11 ways as a sum of consecutive naturals, for example, 222055 + ... + 222234.

Almost surely, 2^39986010 is an apocalyptic number.

39986010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39986010 is an abundant number, since it is smaller than the sum of its proper divisors (63977850).

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

39986010 is a wasteful number, since it uses less digits than its factorization.

39986010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444302 (or 444299 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 39986010 is about 6323.4492170017. The cubic root of 39986010 is about 341.9553137470.

It can be divided in two parts, 39 and 986010, that added together give a square (986049 = 993²).

The spelling of 39986010 in words is "thirty-nine million, nine hundred eighty-six thousand, ten".