39461813 has 6 divisors (see below), whose sum is σ = 41252694. Its totient is φ = 37745576.

The previous prime is 39461809. The next prime is 39461827. The reversal of 39461813 is 31816493.

39461813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38850289 + 611524 = 6233^2 + 782^2 .

It is not a de Polignac number, because 39461813 - 2² = 39461809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39461833) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 36770 + ... + 37827.

It is an arithmetic number, because the mean of its divisors is an integer number (6875449).

Almost surely, 2^39461813 is an apocalyptic number.

It is an amenable number.

39461813 is a deficient number, since it is larger than the sum of its proper divisors (1790881).

39461813 is an equidigital number, since it uses as much as digits as its factorization.

39461813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74643 (or 74620 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 39461813 is about 6281.8638157795. The cubic root of 39461813 is about 340.4544470979.

The spelling of 39461813 in words is "thirty-nine million, four hundred sixty-one thousand, eight hundred thirteen".