3974445 has 12 divisors (see below), whose sum is σ = 6889116. Its totient is φ = 2119680.

The previous prime is 3974441. The next prime is 3974459. The reversal of 3974445 is 5444793.

It can be written as a sum of positive squares in 2 ways, for example, as 2762244 + 1212201 = 1662^2 + 1101^2 .

It is not a de Polignac number, because 3974445 - 2² = 3974441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44116 + ... + 44205.

It is an arithmetic number, because the mean of its divisors is an integer number (574093).

Almost surely, 2^3974445 is an apocalyptic number.

It is an amenable number.

3974445 is a deficient number, since it is larger than the sum of its proper divisors (2914671).

3974445 is a wasteful number, since it uses less digits than its factorization.

3974445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88332 (or 88329 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3974445 is about 1993.6010132421. The cubic root of 3974445 is about 158.4013324421.

The spelling of 3974445 in words is "three million, nine hundred seventy-four thousand, four hundred forty-five".