3922845 has 8 divisors (see below), whose sum is σ = 6276576. Its totient is φ = 2092176.

The previous prime is 3922843. The next prime is 3922871. The reversal of 3922845 is 5482293.

It is a happy number.

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

It is not a de Polignac number, because 3922845 - 2¹ = 3922843 is a prime.

3922845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130747 + ... + 130776.

It is an arithmetic number, because the mean of its divisors is an integer number (784572).

Almost surely, 2^3922845 is an apocalyptic number.

It is an amenable number.

3922845 is a deficient number, since it is larger than the sum of its proper divisors (2353731).

3922845 is a wasteful number, since it uses less digits than its factorization.

3922845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261531.

The product of its digits is 17280, while the sum is 33.

The square root of 3922845 is about 1980.6173280066. The cubic root of 3922845 is about 157.7128389808.

The spelling of 3922845 in words is "three million, nine hundred twenty-two thousand, eight hundred forty-five".