39261642 has 24 divisors (see below), whose sum is σ = 91344096. Its totient is φ = 11217528.

The previous prime is 39261631. The next prime is 39261659. The reversal of 39261642 is 24616293.

39261642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 11 ways as a sum of consecutive naturals, for example, 66478 + ... + 67065.

It is an arithmetic number, because the mean of its divisors is an integer number (3806004).

Almost surely, 2^39261642 is an apocalyptic number.

39261642 is an abundant number, since it is smaller than the sum of its proper divisors (52082454).

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

39261642 is a wasteful number, since it uses less digits than its factorization.

39261642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133562 (or 133555 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 39261642 is about 6265.9111069341. The cubic root of 39261642 is about 339.8778165353.

It can be divided in two parts, 39261 and 642, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 39261642 in words is "thirty-nine million, two hundred sixty-one thousand, six hundred forty-two".