39853420 has 24 divisors (see below), whose sum is σ = 84559104. Its totient is φ = 15776256.

The previous prime is 39853417. The next prime is 39853427. The reversal of 39853420 is 2435893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39853427) 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 7 ways as a sum of consecutive naturals, for example, 8332 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (3523296).

Almost surely, 2^39853420 is an apocalyptic number.

It is an amenable number.

39853420 is an abundant number, since it is smaller than the sum of its proper divisors (44705684).

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

39853420 is a wasteful number, since it uses less digits than its factorization.

39853420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20649 (or 20647 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 39853420 is about 6312.9565181458. The cubic root of 39853420 is about 341.5769308921.

The spelling of 39853420 in words is "thirty-nine million, eight hundred fifty-three thousand, four hundred twenty".