39422390 has 64 divisors (see below), whose sum is σ = 86151168. Its totient is φ = 12700800.

The previous prime is 39422389. The next prime is 39422393. The reversal of 39422390 is 9322493.

39422390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39422393) 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 31 ways as a sum of consecutive naturals, for example, 80045 + ... + 80535.

It is an arithmetic number, because the mean of its divisors is an integer number (1346112).

Almost surely, 2^39422390 is an apocalyptic number.

39422390 is an abundant number, since it is smaller than the sum of its proper divisors (46728778).

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

39422390 is a wasteful number, since it uses less digits than its factorization.

39422390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 39422390 is about 6278.7251890810. The cubic root of 39422390 is about 340.3410361262.

The spelling of 39422390 in words is "thirty-nine million, four hundred twenty-two thousand, three hundred ninety".