39290661 has 12 divisors (see below), whose sum is σ = 57103488. Its totient is φ = 26032104.

The previous prime is 39290659. The next prime is 39290677. The reversal of 39290661 is 16609293.

39290661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39290661 - 2¹ = 39290659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39290611) 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 11 ways as a sum of consecutive naturals, for example, 11925 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (4758624).

Almost surely, 2^39290661 is an apocalyptic number.

It is an amenable number.

39290661 is a deficient number, since it is larger than the sum of its proper divisors (17812827).

39290661 is a wasteful number, since it uses less digits than its factorization.

39290661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952 (or 26949 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 39290661 is about 6268.2263041470. The cubic root of 39290661 is about 339.9615325569.

The spelling of 39290661 in words is "thirty-nine million, two hundred ninety thousand, six hundred sixty-one".