3952945 has 4 divisors (see below), whose sum is σ = 4743540. Its totient is φ = 3162352.

The previous prime is 3952937. The next prime is 3952967. The reversal of 3952945 is 5492593.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2534464 + 1418481 = 1592^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 3952945 - 2³ = 3952937 is a prime.

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, 395290 + ... + 395299.

It is an arithmetic number, because the mean of its divisors is an integer number (1185885).

Almost surely, 2^3952945 is an apocalyptic number.

It is an amenable number.

3952945 is a deficient number, since it is larger than the sum of its proper divisors (790595).

3952945 is an equidigital number, since it uses as much as digits as its factorization.

3952945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790594.

The product of its digits is 48600, while the sum is 37.

The square root of 3952945 is about 1988.2014485459. The cubic root of 3952945 is about 158.1151886615.

The spelling of 3952945 in words is "three million, nine hundred fifty-two thousand, nine hundred forty-five".