3922390 has 8 divisors (see below), whose sum is σ = 7060320. Its totient is φ = 1568952.

The previous prime is 3922367. The next prime is 3922403. The reversal of 3922390 is 932293.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196110 + ... + 196129.

It is an arithmetic number, because the mean of its divisors is an integer number (882540).

Almost surely, 2^3922390 is an apocalyptic number.

3922390 is a deficient number, since it is larger than the sum of its proper divisors (3137930).

3922390 is a wasteful number, since it uses less digits than its factorization.

3922390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392246.

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

The square root of 3922390 is about 1980.5024614981. The cubic root of 3922390 is about 157.7067411856.

The spelling of 3922390 in words is "three million, nine hundred twenty-two thousand, three hundred ninety".