39022390 has 32 divisors (see below), whose sum is σ = 80663040. Its totient is φ = 13442400.

The previous prime is 39022387. The next prime is 39022391. The reversal of 39022390 is 9322093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39022391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7246 + ... + 11425.

It is an arithmetic number, because the mean of its divisors is an integer number (2520720).

Almost surely, 2^39022390 is an apocalyptic number.

39022390 is an abundant number, since it is smaller than the sum of its proper divisors (41640650).

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

39022390 is a wasteful number, since it uses less digits than its factorization.

39022390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18708.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 39022390 is about 6246.7903758650. The cubic root of 39022390 is about 339.1860286591.

The spelling of 39022390 in words is "thirty-nine million, twenty-two thousand, three hundred ninety".