3922945 has 8 divisors (see below), whose sum is σ = 5069736. Its totient is φ = 2896896.

The previous prime is 3922939. The next prime is 3922967. The reversal of 3922945 is 5492293.

3922945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 3837681 = 292^2 + 1959^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3922945 - 2⁹ = 3922433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3922945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30112 + ... + 30241.

It is an arithmetic number, because the mean of its divisors is an integer number (633717).

Almost surely, 2^3922945 is an apocalyptic number.

It is an amenable number.

3922945 is a deficient number, since it is larger than the sum of its proper divisors (1146791).

3922945 is a wasteful number, since it uses less digits than its factorization.

3922945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60371.

The product of its digits is 19440, while the sum is 34.

The square root of 3922945 is about 1980.6425725001. The cubic root of 3922945 is about 157.7141790924.

It can be divided in two parts, 392 and 2945, that multiplied together give a triangular number (1154440 = T₁₅₁₉).

The spelling of 3922945 in words is "three million, nine hundred twenty-two thousand, nine hundred forty-five".